updae source to 2.0.9 source

Edward Rudd

2019-04-09 9cd2e9ec8fc0127393dfce9c0359d500c8c238be

 source/src/video/cocoa/SDL_cocoaevents.m

@@ -390,8 +390,8 @@

        if (!SDL_GetHintBoolean(SDL_HINT_MAC_BACKGROUND_APP, SDL_FALSE)) {
            [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
      }
		
        }

        if ([NSApp mainMenu] == nil) {
            CreateApplicationMenus();
        }