Replace deprecated NO_DEBUG to NDEBUG

(cherry picked from commit a9f55c3da0)

juk/actioncollection.cpp

@@ -29,7 +29,7 @@ namespace ActionCollection
 
     KAction *action(const char *key)
     {
-#ifndef NO_DEBUG
+#ifndef NDEBUG
         KAction *a = actions()->action(key);
         if(!a)
             kdWarning(65432) << "KAction \"" << key << "\" is not defined yet." << endl;