Bug 354857: Application initiated restarts don't pass -foreground to the new process on OSX. r=mossop

toolkit/xre/nsAppRunner.cpp

@@ -1596,6 +1596,7 @@ static nsresult LaunchChild(nsINativeAppSupport* aNative,
   PR_SetEnv("MOZ_LAUNCHED_CHILD=1");
 
 #if defined(XP_MACOSX)
+  SetupMacCommandLine(gRestartArgc, gRestartArgv);
   LaunchChildMac(gRestartArgc, gRestartArgv);
 #else
   nsCOMPtr<nsILocalFile> lf;