neatogen multispline newIpair: squash a -Wunused-parameter compiler warning

diff --git a/lib/neatogen/multispline.c b/lib/neatogen/multispline.c
index 66a54e4bfc63727d88f224de22e16b4e673d851e..d1ca55b6413fbb262f250d22e69a84144cf8f456 100644 (file)
--- a/lib/neatogen/multispline.c
+++ b/lib/neatogen/multispline.c
@@ -179,6 +179,7 @@ static void *newIpair(Dt_t * d, Ipair * objp, Dtdisc_t * disc)
 {
     Ipair *newp = NEW(Ipair);
 
+    NOTUSED(d);
     NOTUSED(disc);
     newp->i = objp->i;
     newp->j = objp->j;