Bugfix: deleting a file would sometimes make Greyhole fell in an infi…

…nite loop of doing nothing

Noticed on CentOS only... no idea why! Anyway, the new code is more
robust, and should prevent potential problems on all OS.

greyhole

@@ -3042,10 +3042,11 @@ function gh_recycle($real_path) {
 			$full_path = trim($share_options['name'] . "/" . str_replace($share_options['landing_zone'], '', $real_path), '/');
 			$share = $share_options['name'];
 		} else {
+		    $storage_volume = get_storage_volume_from_path($real_path);
 			foreach ($storage_pool_directories as $dir) {
-				if (get_storage_volume_from_path($real_path) == $dir) {
+				if ($dir == $storage_volume) {
 					$trash_path = "$dir/.gh_trash";
-					$full_path = trim(str_replace($dir, '', $real_path), '/');
+					$full_path = trim(substr($real_path, strlen($dir)), '/');
 					break;
 				}
 			}