Merge pull request #380 from copyninja/master

orient function should not be called on png image types

mod/photos.php

@@ -740,7 +740,8 @@ function photos_post(&$a) {
 		killme();
 	}
 
-	$ph->orient($src);
+        if($ph->getType() != 'image/png')
+            $ph->orient($src);
 	@unlink($src);
 
 	$max_length = get_config('system','max_image_length');