tcldot deleteNode: squash a -Wunused-parameter compiler warning

diff --git a/tclpkg/tcldot/tcldot-util.c b/tclpkg/tcldot/tcldot-util.c
index 5b814cedf38a20b7655e5133c97a8dad02acddf8..4b0162b30ede5e0b371afb3cc800ca5b8081602f 100644 (file)
--- a/tclpkg/tcldot/tcldot-util.c
+++ b/tclpkg/tcldot/tcldot-util.c
@@ -88,6 +88,8 @@ static void deleteNodeEdges(gctx_t *gctx, Agraph_t *g, Agnode_t *n)
 }
 void deleteNode(gctx_t * gctx, Agraph_t *g, Agnode_t *n)
 {
+    (void)g;
+
     char *hndl;
 
     deleteNodeEdges(gctx, gctx->g, n); /* delete all edges to/from node in root graph */