squash some unused parameter warnings

diff --git a/lib/dotgen/rank.c b/lib/dotgen/rank.c
index 778eddce8733194ea6312095caec2f4ef35cfce9..e8fa8ec728208cbaa0769047b00142cf043f2b73 100644 (file)
--- a/lib/dotgen/rank.c
+++ b/lib/dotgen/rank.c
@@ -1115,11 +1115,11 @@ static void add_fast_edges (graph_t * g)
 }
 
 static void my_init_graph(Agraph_t *g, Agobj_t *graph, void *arg)
-{ int *sz = arg; agbindrec(graph,"level graph rec",sz[0],TRUE); }
+{ int *sz = arg; (void)g; agbindrec(graph,"level graph rec",sz[0],TRUE); }
 static void my_init_node(Agraph_t *g, Agobj_t *node, void *arg)
-{ int *sz = arg; agbindrec(node,"level node rec",sz[1],TRUE); }
+{ int *sz = arg; (void)g; agbindrec(node,"level node rec",sz[1],TRUE); }
 static void my_init_edge(Agraph_t *g, Agobj_t *edge, void *arg)
-{ int *sz = arg; agbindrec(edge,"level edge rec",sz[2],TRUE); }
+{ int *sz = arg; (void)g; agbindrec(edge,"level edge rec",sz[2],TRUE); }
 static Agcbdisc_t mydisc = { {my_init_graph,0,0}, {my_init_node,0,0}, {my_init_edge,0,0} };
 
 int infosizes[] = {