rem: for (int c = 0; c < second->count; c++)
add: for (long c = 0; c < second->count; c++)
context: append_region(BRegion *first, BRegion *second, BRegion *dest){	PRINT(("%s\n", __PRETTY_FUNCTION__));	ASSERT(first);	ASSERT(second);	ASSERT(dest);		copy_region(first, dest);	for (int c = 0; c < second->count; c++)		dest->_AddRect(second->data[c]);	}