Change to correct function call getItemSharedWithBySource()

lib/public/share.php

@@ -623,7 +623,7 @@ class Share {
 		$backend = self::getBackend($itemType);
 		// Check if this is a reshare
 		// TODO This query has pretty bad performance if there are large collections, figure out a way to make the collection searching more efficient
-		if ($checkReshare = self::getItemSharedWith($itemType, $itemSource, self::FORMAT_NONE, null, true)) {
+		if ($checkReshare = self::getItemSharedWithBySource($itemType, $itemSource, self::FORMAT_NONE, null, true)) {
 			if ((int)$checkReshare['permissions'] & self::PERMISSION_SHARE) {
 				if (~(int)$checkReshare['permissions'] & $permissions) {
 					$message = 'Sharing '.$itemSource.' failed, because the permissions exceed permissions granted to '.$uidOwner;