fix byte ordering when using CIDR notation in hosts allow/deny; spotted by Eloy Paris

(This used to be commit 6155144b9f)

source3/lib/access.c

@@ -40,6 +40,10 @@ static BOOL masked_match(const char *tok, const char *slash, const char *s)
 		DEBUG(0,("access: bad net/mask access control: %s\n", tok));
 		return (False);
 	}
+	
+	/* convert to network byte order */
+	mask = htonl(mask);
+	
 	return ((addr & mask) == net);
 }