staging: wlan-ng: add spaces around +

add spaces around + to fix the checkpatch issue,
spaces preferred around that '&'.
Signed-off-by: Gargi Sharma <gs051095@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/hfa384x.h

@@ -63,7 +63,7 @@
 
 /*--- Mins & Maxs -----------------------------------*/
 #define	HFA384x_PORTID_MAX		((u16)7)
-#define	HFA384x_NUMPORTS_MAX		((u16)(HFA384x_PORTID_MAX+1))
+#define	HFA384x_NUMPORTS_MAX		((u16)(HFA384x_PORTID_MAX + 1))
 #define	HFA384x_PDR_LEN_MAX		((u16)512) /* in bytes, from EK */
 #define	HFA384x_PDA_RECS_MAX		((u16)200) /* a guess */
 #define	HFA384x_PDA_LEN_MAX		((u16)1024) /* in bytes, from EK*/