freeMPair: squash -Wunused-parameter warning

diff --git a/lib/common/pointset.c b/lib/common/pointset.c
index a006e4a973c30cf5b32744fb335e0302e5f3255e..c5f42300b79f4a3c911741a62a952331596208bc 100644 (file)
--- a/lib/common/pointset.c
+++ b/lib/common/pointset.c
@@ -158,6 +158,8 @@ static mpair *mkMPair(Dt_t * d, mpair * obj, MPairDisc * disc)
 
 static void freeMPair(Dt_t * d, mpair * ap, MPairDisc * disc)
 {
+    (void)d;
+
     ap->link.right = (Dtlink_t *) (disc->flist);
     disc->flist = ap;
 }