networkmanagerapplet: 1.8.2 -> 1.8.6

https://git.gnome.org/browse/network-manager-applet/tree/NEWS?h=1.8.6

pkgs/tools/networking/network-manager-applet/default.nix

···
   name    = "${pname}-${major}.${minor}";
   pname   = "network-manager-applet";
   major   = "1.8";
-  minor   = "2";
+  minor   = "6";
 
   src = fetchurl {
     url    = "mirror://gnome/sources/${pname}/${major}/${name}.tar.xz";
-    sha256 = "09f9hjpn9nkhw57mk6pi7q1bq3lhf5hvmwas0fknscssak7yjmry";
+    sha256 = "0c4wxwxpa7wlskvnqaqfa7mmc0c6a2pj7jcvymcchjnq4wn9wx01";
   };
 
   configureFlags = [