we were leaking an image

Author: jcupitt

CHANGELOG.md

@@ -1,5 +1,7 @@
 master
 
+- fix a ref leak in tilesource_new_from_file()
+
 ## 4.0.0 31/05/25
 
 - much better performance for images which are very tall and thin or very wide 

src/tilesource.c

@@ -1855,7 +1855,7 @@ tilesource_new_from_file(const char *filename)
 
 	/* And now we can reopen in the correct mode.
 	 */
-	VipsImage *base = tilesource_open(tilesource, 0);
+	g_autoptr(VipsImage) base = tilesource_open(tilesource, 0);
 	if (!base)
 		return NULL;
 	if (tilesource_set_base(tilesource, base))