Fix eval (due to xulrunner removal)

pkgs/top-level/all-packages.nix

···
 
   gnash = callPackage ../applications/video/gnash {
     inherit (gnome) gtkglext;
+    xulrunner = firefox-unwrapped;
   };
 
   gnome_mplayer = callPackage ../applications/video/gnome-mplayer {
···
 
   omxplayer = callPackage ../applications/video/omxplayer { };
 
-  oneteam = callPackage ../applications/networking/instant-messengers/oneteam {};
+  oneteam = callPackage ../applications/networking/instant-messengers/oneteam {
+    xulrunner = firefox-unwrapped;
+  };
 
   openbox = callPackage ../applications/window-managers/openbox { };