win32: silence some compiler warnings

1 files changed, 2 insertions, 1 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index 824413586..6b63e2487 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -648,7 +648,8 @@ struct group *getgrgid(gid_t gid UNUSED_PARAM)
         return &g;
 }
 
-int getgrouplist(const char *user, gid_t group, gid_t *groups, int *ngroups)
+int getgrouplist(const char *user UNUSED_PARAM, gid_t group UNUSED_PARAM,
+                                        gid_t *groups, int *ngroups)
 {
         if ( *ngroups == 0 ) {
                 *ngroups = 1;