completion: use __gitcomp_builtin in _git_gc

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 340e2414ff0f3dccd70ce2d29a3daa087654a04d..79e9f69d52e89c534d27df517f0007760bc651d9 100644 (file)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1509,7 +1509,7 @@ _git_gc ()
 {
        case "$cur" in
        --*)
-               __gitcomp "--prune --aggressive"
+               __gitcomp_builtin gc
                return
                ;;
        esac