staging: rtl8712: fixed coding style issues

Fixed some style and format issues with headers.

Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/rtl8712/rtl8712_recv.h b/drivers/staging/rtl8712/rtl8712_recv.h
index 4ba52b9..c48757f 100644
--- a/drivers/staging/rtl8712/rtl8712_recv.h
+++ b/drivers/staging/rtl8712/rtl8712_recv.h
@@ -93,7 +93,7 @@
 	end   ----->
 	len = (unsigned int )(tail - data);
 */
-struct recv_frame_hdr{
+struct recv_frame_hdr {
 	struct list_head list;
 	_pkt	*pkt;
 	_pkt *pkt_newalloc;