weird travis error

hxd/fs/LocalFileSystem.hx

@@ -240,7 +240,7 @@ private class LocalEntry extends FileEntry {
 			WATCH_INDEX = 0;
 			return;
 		}
-		var t = try w.getModifTime() catch( e : Dynamic ) -1;
+		var t = try w.getModifTime() catch( e : Dynamic ) -1.;
 		if( t == w.watchTime ) return;
 
 		#if flash