Fixed: when removing a folder, do not delete folders with the same pr…

…efix

E.g. Deleting /Photos/* should not delete /Photos2

index/index.go

@@ -240,7 +240,7 @@ func (i *Index) DeleteFile(path string) ([]string, []string, error) {
 	matchPrefix := false
 	if strings.HasSuffix(path, "/*") {
 		matchPrefix = true
-		path = path[0 : len(path)-2]
+		path = path[0 : len(path)-1]
 	} else if strings.HasSuffix(path, "/") {
 		return nil, nil, errors.New("path cannot end with /; to remove a folder, end with /*")
 	} else if strings.HasSuffix(path, "*") {