Improve code

Author: mohd-akram

st.c

@@ -960,7 +960,7 @@ void main_loop(void)
 #ifdef __EMSCRIPTEN__
 	emscripten_cancel_main_loop();
 #else
-	exit(0);
+	exit(EXIT_SUCCESS);
 #endif
 }
 
@@ -1028,11 +1028,11 @@ int main(void)
 #ifdef __EMSCRIPTEN__
 	emscripten_set_main_loop(main_loop, 0, true);
 #else
-	while (1) {
+	while (true) {
 		main_loop();
 		SDL_Delay(1000/60);
 	}
 #endif
 
-	return 0;
+	return EXIT_SUCCESS;
 }