graphml2gv: remove unnecessary casts of `userdata` pointers

These implicitly coerce.

diff --git a/cmd/tools/graphml2gv.c b/cmd/tools/graphml2gv.c
index 2da8e20ecfc872eefbe69a267eb732d28256d911..3c5e5d648c94b04e6cf78f68052532a8c74df235 100644 (file)
--- a/cmd/tools/graphml2gv.c
+++ b/cmd/tools/graphml2gv.c
@@ -406,7 +406,7 @@ static void
 startElementHandler(void *userData, const char *name, const char **atts)
 {
     int pos;
-    userdata_t *ud = (userdata_t *) userData;
+    userdata_t *ud = userData;
     Agraph_t *g = NULL;
 
     if (strcmp(name, "graphml") == 0) {
@@ -523,7 +523,7 @@ startElementHandler(void *userData, const char *name, const char **atts)
 
 static void endElementHandler(void *userData, const char *name)
 {
-    userdata_t *ud = (userdata_t *) userData;
+    userdata_t *ud = userData;
 
     if (strcmp(name, "graph") == 0) {
        pop_subg();
@@ -590,7 +590,7 @@ static void endElementHandler(void *userData, const char *name)
 
 static void characterDataHandler(void *userData, const char *s, int length)
 {
-    userdata_t *ud = (userdata_t *) userData;
+    userdata_t *ud = userData;
 
     if (!ud->listen)
        return;