tcldot deleteEdge: squash a -Wunused-parameter compiler warning

diff --git a/tclpkg/tcldot/tcldot-util.c b/tclpkg/tcldot/tcldot-util.c
index 503d3372aeeee250f19663e1e566909b57cf299f..5b814cedf38a20b7655e5133c97a8dad02acddf8 100644 (file)
--- a/tclpkg/tcldot/tcldot-util.c
+++ b/tclpkg/tcldot/tcldot-util.c
@@ -67,6 +67,8 @@ char *obj2cmd (void *obj) {
 
 void deleteEdge(gctx_t *gctx, Agraph_t * g, Agedge_t *e)
 {
+    (void)g;
+
     char *hndl;
 
     hndl = obj2cmd(e);