staging:wlan-ng: clean p80211req_handlemsg

the switch case doesn't have a break statement of DIDmsg_dot11req_mibget,
and DIDmsg_dot11req_mibset cases, and also cleanup the code to follow
the kernel coding way
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/p80211req.c

@@ -172,6 +172,7 @@ static void p80211req_handlemsg(wlandevice_t *wlandev, struct p80211msg *msg)
 		struct p80211msg_dot11req_mibget *mib_msg =
 			(struct p80211msg_dot11req_mibget *) msg;
 		p80211req_mibset_mibget(wlandev, mib_msg, isget);
+	break;
 	}
 	}			/* switch msg->msgcode */
 }