don't allow user to quit out of Mac OS X updater by any means until the patching job is finished

toolkit/mozapps/update/src/updater/progressui_osx.mm

@@ -60,7 +60,8 @@ static const char *sProgramPath;
 
 @implementation UpdaterUI
 
--(void)awakeFromNib {
+-(void)awakeFromNib
+{
   [[progressBar window] center];
   [progressBar setIndeterminate:NO];
   [progressBar setDoubleValue:0.0];
@@ -84,6 +85,11 @@ static const char *sProgramPath;
   [progressBar setDoubleValue:(double)progress];
 }
 
+- (BOOL)applicationShouldTerminate:(NSApplication *)sender
+{
+  return sQuit;
+}
+
 @end
 
 int