upnpsoap: Use scaled thumbnails when rotation is needed

Embedded thumbnails may have an undesirable orientation, so
we should do our own scaling with inline rotation if the
thumbnail image needs to be rotated.

upnphttp.c

@@ -1646,6 +1646,8 @@ SendResp_resizedimg(struct upnphttp * h, char * object)
 	}
 
 	DPRINTF(E_INFO, L_HTTP, "Serving resized image for ObjectId: %lld [%s]\n", id, file_path);
+	if( rotate )
+		DPRINTF(E_DEBUG, L_HTTP, "Rotating image %d degrees\n", rotate);
 	switch( rotate )
 	{
 		case 90: