staging: wlan-ng: fix line style issue in macro WLAN_GET_FC_FSTYPE

This patch fix the following checkpatch.pl script warning:
WARNING: line over 80 characters

It also add spaces between or operators inside the macro to
comply with the standard kernel coding style.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/p80211hdr.h

@@ -132,7 +132,8 @@
 /*------------------------------------------------------------*/
 
 #define WLAN_GET_FC_FTYPE(n)	((((u16)(n)) & (BIT(2) | BIT(3))) >> 2)
-#define WLAN_GET_FC_FSTYPE(n)	((((u16)(n)) & (BIT(4)|BIT(5)|BIT(6)|BIT(7))) >> 4)
+#define WLAN_GET_FC_FSTYPE(n)	((((u16)(n)) & \
+				(BIT(4) | BIT(5) | BIT(6) | BIT(7))) >> 4)
 #define WLAN_GET_FC_TODS(n)	((((u16)(n)) & (BIT(8))) >> 8)
 #define WLAN_GET_FC_FROMDS(n)	((((u16)(n)) & (BIT(9))) >> 9)
 #define WLAN_GET_FC_ISWEP(n)	((((u16)(n)) & (BIT(14))) >> 14)