Toggling fullscreen now takes fullscreen flags

src/test/SDL_test_common.c

@@ -1338,7 +1338,7 @@ SDLTest_CommonEvent(SDLTest_CommonState * state, SDL_Event * event, int *done)
                     if (flags & SDL_WINDOW_FULLSCREEN) {
                         SDL_SetWindowFullscreen(window, SDL_FALSE);
                     } else {
-                        SDL_SetWindowFullscreen(window, SDL_TRUE);
+                        SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN);
                     }
                 }
             } else if (event->key.keysym.mod & KMOD_ALT) {