completion: use __gitcomp_builtin in _git_show_branch

diff --git a/quote.c b/quote.c
index 53b98a5b840d8fd4d73fab27348b657501923dca..de2922ddd63d6fc001822d116387c8ced7d7630d 100644 (file)
--- a/quote.c
+++ b/quote.c
@@ -431,6 +431,7 @@ void tcl_quote_buf(struct strbuf *sb, const char *src)
                case '{': case '}':
                case '$': case '\\': case '"':
                        strbuf_addch(sb, '\\');
+                       /* fallthrough */
                default:
                        strbuf_addch(sb, c);
                        break;