squash some -Wunused-parameter warnings

diff --git a/lib/ortho/ortho.c b/lib/ortho/ortho.c
index d8179f0ad9907b24e3bc8e840d642c8b8e6f786e..672679c6381df9c61a196263aff405d0b20422f6 100644 (file)
--- a/lib/ortho/ortho.c
+++ b/lib/ortho/ortho.c
@@ -1200,11 +1200,13 @@ static int edgecmp(epair_t* e0, epair_t* e1)
 
 static boolean spline_merge(node_t * n)
 {
+    (void)n;
     return FALSE;
 }
 
 static boolean swap_ends_p(edge_t * e)
 {
+    (void)e;
     return FALSE;
 }