nixpkgs-lint: add the platforms meta attr for most of my packages

pkgs/applications/audio/a2jmidid/default.nix

···
     description = "Daemon for exposing legacy ALSA sequencer applications in JACK MIDI system";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
-
+    platforms = platforms.linux;
   };
 }

pkgs/applications/audio/gigedit/default.nix

···
     description = "Gigasampler file access library";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/applications/audio/jalv/default.nix

···
     homepage = http://drobilla.net/software/jalv;
     license = licenses.isc;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/applications/audio/lash/default.nix

···
   '';
 
   meta = with stdenv.lib; {
-    description = "LASH Audio Session Handler";
+    description = "A Linux Audio Session Handler";
     longDescription = ''
       Session management system for GNU/Linux audio applications.
     '';

pkgs/applications/audio/mid2key/default.nix

···
     description = "A simple tool which maps midi notes to simulated keystrokes";
     license = licenses.gpl3;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/applications/audio/qsampler/default.nix

···
     description = "graphical frontend to LinuxSampler";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/audio/lilv/default.nix

···
     description = "A C library to make the use of LV2 plugins";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
-
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/audio/lv2/default.nix

···
     description = "A plugin standard for audio systems";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
-
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/audio/sratom/default.nix

···
     description = "A library for serialising LV2 atoms to/from RDF";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
-
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/audio/suil/default.nix

···
     description = "A lightweight C library for loading and wrapping LV2 plugin UIs";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
-
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/libconfig/default.nix

···
     description = "a simple library for processing structured configuration files";
     license = licenses.lgpl3;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/libgig/default.nix

···
     description = "Gigasampler file access library";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/liblscp/default.nix

···
     description = "LinuxSampler Control Protocol (LSCP) wrapper library";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/serd/default.nix

···
     description = "A lightweight C library for RDF syntax which supports reading and writing Turtle and NTriples";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
-
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/sord/default.nix

···
     description = "A lightweight C library for storing RDF data in memory";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
-
+    platforms = platforms.linux;
   };
 }

pkgs/development/tools/selenium/chromedriver/default.nix

···
     description = "A WebDriver server for running Selenium tests on Chrome";
     license = licenses.bsd3;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/misc/themes/gtk2/oxygen-gtk/default.nix

···
     homepage = https://projects.kde.org/projects/playground/artwork/oxygen-gtk;
     license = licenses.lgpl2;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/os-specific/linux/ffado/default.nix

···
     description = "FireWire audio drivers";
     license = licenses.gpl3;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/os-specific/linux/plymouth/default.nix

···
     description = "A graphical boot animation";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/tools/text/podiff/default.nix

···
     homepage = http://puszcza.gnu.org.ua/software/podiff;
     license = licenses.gpl3Plus;
     maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
   };
 }

pkgs/tools/text/uni2ascii/default.nix

···
     similar ASCII characters, e.g. by stripping diacritics.
     '';
     maintainers = [ "[e-mail]" ];
+    platforms = stdenv.lib.platforms.linux;
   };
 }