Bug 1369909 - re-add quit command to quit shortcut (d'oh), r=mikedeboer

MozReview-Commit-ID: FtBPqW511hD

--HG--
extra : rebase_source : d653a9e6d7539355ea3954bb6e11eb00c37ebe24

browser/base/content/browser-sets.inc

@@ -358,6 +358,12 @@
          modifiers="accel,shift"
 #else
          modifiers="accel"
+#endif
+# On OS X, dark voodoo magic invokes the quit code for this key.
+# So we're not adding the attribute on OSX because of backwards/add-on compat.
+# See bug 1369909 for background on this.
+#ifndef XP_MACOSX
+         command="cmd_quitApplication"
 #endif
          reserved="true"/>