demos/3d/flatwav: small update, add to ISO, fix RUS menu.dat

git-svn-id: svn://kolibrios.org@7930 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/cmm/lib/collection.h

@@ -100,6 +100,7 @@ struct collection_int
 	void alloc();
 	void add();
 	dword get();
+	dword len();
 	dword get_last();
 	void pop();
 	void drop();
@@ -127,6 +128,11 @@ struct collection_int
 	return ESDWORD[pos * sizeof(dword) + buf];
 }
 
+:dword collection_int::len(dword pos) {
+	if (pos<0) || (pos+1>=count) return 0;
+	return get(pos+1) - get(pos);
+}
+
 :dword collection_int::get_last() {
 	return get(count-1);
 }