fix missing PTR_TO_INT macros in release mode

ir/ir/irgraph.c

@@ -41,6 +41,7 @@
 #include "irouts.h"
 #include "irhooks.h"
 #include "irtools.h"
+#include "util.h"
 #include "irgwalk.h"
 #include "irbackedge_t.h"
 #include "iredges_t.h"

ir/tr/entity.c

@@ -32,7 +32,7 @@
 #include "xmalloc.h"
 #include "entity_t.h"
 #include "array.h"
-#include "irtools.h"
+#include "util.h"
 #include "irhooks.h"
 #include "irprintf.h"
 

ir/tr/type.c

@@ -56,7 +56,7 @@
 #include "tpop_t.h"
 #include "tv_t.h"
 #include "irhooks.h"
-#include "irtools.h"
+#include "util.h"
 #include "entity_t.h"
 #include "error.h"
 #include "dbginfo.h"