t6018-rev-list-glob: fix 'empty stdin' test

diff --git a/gpg-interface.c b/gpg-interface.c
index 0647bd6348cdedd0e32f30ed23934d390eae4122..09ddfbc267e3bee3edf54e0166d92c1e6e6d331c 100644 (file)
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -35,7 +35,7 @@ static struct {
        { 'R', "\n[GNUPG:] REVKEYSIG "},
 };
 
-void parse_gpg_output(struct signature_check *sigc)
+static void parse_gpg_output(struct signature_check *sigc)
 {
        const char *buf = sigc->gpg_status;
        int i;