Test return value of finish_connect()

Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

peek-remote.c

@@ -66,6 +66,6 @@ int main(int argc, char **argv)
 	ret = peek_remote(fd, flags);
 	close(fd[0]);
 	close(fd[1]);
-	finish_connect(pid);
-	return ret;
+	ret |= finish_connect(pid);
+	return !!ret;
 }