Remove a set but unused variable in __getgroupmembership to fix a gcc 4.9+ warning

MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division

diff --git a/lib/libc/gen/getgrent.c b/lib/libc/gen/getgrent.c
index 0e18bbbe0547ed83507536640df4e5a25cce8f37..2179fb27d0c0fb74f2b4497caab955385411305d 100644 (file)
--- a/lib/libc/gen/getgrent.c
+++ b/lib/libc/gen/getgrent.c
@@ -660,14 +660,13 @@ __getgroupmembership(const char *uname, gid_t agroup, gid_t *groups,
                NS_FALLBACK_CB(getgroupmembership_fallback)
                { NULL, NULL, NULL }
        };
-       int rv;
 
        assert(uname != NULL);
        /* groups may be NULL if just sizing when invoked with maxgrp = 0 */
        assert(grpcnt != NULL);
 
        *grpcnt = 0;
-       rv = _nsdispatch(NULL, dtab, NSDB_GROUP, "getgroupmembership",
+       (void)_nsdispatch(NULL, dtab, NSDB_GROUP, "getgroupmembership",
            defaultsrc, uname, agroup, groups, maxgrp, grpcnt);
 
        /* too many groups found? */