MGtool: /std/util/path nutzen

Erbt und nutzt jetzt normalize_path() aus
/std/util/path statt den master zu rufen.

Change-Id: I526a704c1e8c83c9d0995b159f86e634813f857a
diff --git a/obj/tools/MGtool.c b/obj/tools/MGtool.c
index e7b8c98..1d991e0 100644
--- a/obj/tools/MGtool.c
+++ b/obj/tools/MGtool.c
@@ -10,9 +10,11 @@
 
 #pragma strict_types
 
+protected functions virtual inherit "/std/util/path";
 inherit "/std/thing/properties";
 
 #include <properties.h>
+
 #if !defined(QUERYCACHED)
 #define QUERYCACHED 4096
 #endif