forcing exit of the app when quitting Löve

jni/love/src/love.cpp

@@ -246,6 +246,12 @@ int main(int argc, char **argv)
 		delete [] hack_argv;
 	}
 #endif // LOVE_LEGENDARY_UTF8_ARGV_HACK || LOVE_LEGENDARY_APP_ARGV_HACK
+	SDL_Quit();
+
+#ifdef __ANDROID__
+	exit(retval);
+#endif
+
 	return retval;
 }