staging: rtl8192u: fix line size in r819xU_HTType.h

This patch fixes the following checkpatch warning in r819xU_HTType.h:
WARNING: line over 80 characters
Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/r819xU_HTType.h

@@ -267,7 +267,7 @@ typedef struct _RT_HIGH_THROUGHPUT {
 
 	/* For Bandwidth Switching */
 	u8			bSwBwInProgress;
-	CHNLOP			ChnlOp; /* software switching channel in progress. */
+	CHNLOP			ChnlOp; /* sw switching channel in progress. */
 	u8			SwBwStep;
 	struct timer_list	SwBwTimer;