When comparing -1 to a group id, cast -1 with gid_t because on some systems

such as sunos4 gid_t is an unsigned short.  This prevented the just-added
non-mapped group test from working on sunos4.

1 files changed, 1 insertions, 1 deletions

diff --git a/uidlist.c b/uidlist.c
index e4b61b88..14611a55 100644
--- a/uidlist.c
+++ b/uidlist.c
@@ -126,7 +126,7 @@ static gid_t match_gid(gid_t gid)
 	if (am_root)
 		last_out = gid;
 	else
-		last_out = -1;
+		last_out = (gid_t) -1;
 	return last_out;
 }