git-show-branch: Fix off-by-one error.

diff --git a/refs.c b/refs.c
index 2aac90ca54f3fe207d7b05dda56f0f04badf460e..5a8cbd4ef386da60d3f7a2cac4563fc993e38b94 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -46,7 +46,7 @@ int validate_symref(const char *path)
        len -= 4;
        while (len && isspace(*buf))
                buf++, len--;
-       if (len >= 5 && !memcmp("refs/", buffer, 5))
+       if (len >= 5 && !memcmp("refs/", buf, 5))
                return 0;
        return -1;
 }