storm_svid: use DISPLAY_TEXTURE_FORMAT for PlayEnd

otherwise we get incorrect menu graphics

Source/storm/storm_svid.cpp

@@ -379,7 +379,7 @@ void SVidPlayEnd()
 
 #ifndef USE_SDL1
 	if (renderer != nullptr) {
-		texture = SDLWrap::CreateTexture(renderer, SDL_PIXELFORMAT_RGB888, SDL_TEXTUREACCESS_STREAMING, gnScreenWidth, gnScreenHeight);
+		texture = SDLWrap::CreateTexture(renderer, DEVILUTIONX_DISPLAY_TEXTURE_FORMAT, SDL_TEXTUREACCESS_STREAMING, gnScreenWidth, gnScreenHeight);
 		if (renderer != nullptr && SDL_RenderSetLogicalSize(renderer, gnScreenWidth, gnScreenHeight) <= -1) {
 			ErrSdl();
 		}