testaudiocapture: don't use fullscreen for the window.

test/testaudiocapture.c

@@ -95,7 +95,7 @@ main(int argc, char **argv)
         return (1);
     }
 
-    window = SDL_CreateWindow("testaudiocapture", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 320, 240, SDL_WINDOW_FULLSCREEN_DESKTOP);
+    window = SDL_CreateWindow("testaudiocapture", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 320, 240, 0);
     renderer = SDL_CreateRenderer(window, -1, 0);
     SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
     SDL_RenderClear(renderer);