object-info: init request_info before reading arg

When retrieving object info via capability "object-info", we store the
command args into a requested_info variable, but forget to initialize
it. Initialize the variable before use to prevent unexpected output.

Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

protocol-caps.c

@@ -77,7 +77,7 @@ static void send_info(struct repository *r, struct packet_writer *writer,
 
 int cap_object_info(struct repository *r, struct packet_reader *request)
 {
-	struct requested_info info;
+	struct requested_info info = { 0 };
 	struct packet_writer writer;
 	struct string_list oid_str_list = STRING_LIST_INIT_DUP;