wlan-ng/prism2sta:checkpatch: Insert blank lines

This patch inserts blank lines after declarations to avoid checkpatch
warnings.

After our fixes in 'wlan-ng/prism2sta' there is still a checkpatch
warning about prefering 'ether_addr_copy' instead of 'memcpy'
remaining.

Signed-off-by: Johannes Stadlinger <Johannes.Stadlinger@fau.de>
Signed-off-by: Maximilian Eschenbacher <maximilian@eschenbacher.email>
CC: linux-kernel@i4.cs.fau.de
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
CC: Tugce Sirin <ztugcesirin@gmail.com>
CC: Himangi Saraogi <himangi774@gmail.com>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Vitaly Osipov <vitaly.osipov@gmail.com>
CC: Neil Armstrong <superna9999@gmail.com>
CC: devel@driverdev.osuosl.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/prism2sta.c

@@ -360,6 +360,7 @@ static int prism2sta_mlmerequest(wlandevice_t *wlandev, struct p80211msg *msg)
 	case DIDmsg_lnxreq_ifstate:
 		{
 			struct p80211msg_lnxreq_ifstate *ifstatemsg;
+
 			pr_debug("Received mlme ifstate request\n");
 			ifstatemsg = (struct p80211msg_lnxreq_ifstate *) msg;
 			result =
@@ -1406,6 +1407,7 @@ void prism2sta_processing_defer(struct work_struct *data)
 		 */
 		if (hw->join_ap && --hw->join_retries > 0) {
 			hfa384x_JoinRequest_data_t joinreq;
+
 			joinreq = hw->joinreq;
 			/* Send the join request */
 			hfa384x_drvr_setconfig(hw,