Only access icon if download ok (#2887)

Author: datalate

plugins/tracklabels/action.php

@@ -87,11 +87,13 @@ function image_name($prefix, $req_field)
 			$client->read_timeout = 5;
 			$client->_fp_timeout = 5;
 			@$client->fetchComplex($url);
-			if ($client->status == 200)
+			if ($client->status == 200) {
 				file_put_contents($ico_name, $client->results);
-			if (strpos(mime_content_type($ico_name), "image/")===false)
-				@unlink($ico_name);
-			try_send_image($ico_name, 'image/x-icon');
+				if (strpos(mime_content_type($ico_name), "image/")===false)
+					@unlink($ico_name);
+				else
+					try_send_image($ico_name, 'image/x-icon');
+			}
 		}
 	}
 }