connector: fix a kernel-doc markup

A function has a different name between their prototype
and its kernel-doc markup.
Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/889cfb141a98ae06d5bc79b744786ec2e8f92d93.1610610937.git.mchehab+huawei@kernel.orgSigned-off-by: NJonathan Corbet <corbet@lwn.net>

include/linux/connector.h

@@ -99,7 +99,7 @@ void cn_del_callback(const struct cb_id *id);
 int cn_netlink_send_mult(struct cn_msg *msg, u16 len, u32 portid, u32 group, gfp_t gfp_mask);
 
 /**
- * cn_netlink_send_mult - Sends message to the specified groups.
+ * cn_netlink_send - Sends message to the specified groups.
  *
  * @msg:	message header(with attached data).
  * @portid:	destination port.