staging: wlan-ng: avoid new typedef: p80211item_unk392_t

This patch fixes the following checkpatch.pl warning in p80211types.h:
WARNING: do not add new typedefs

It applies for typedef p80211item_unk392_t
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/p80211metastruct.h

@@ -51,7 +51,7 @@ struct p80211msg_dot11req_mibget {
 	u32 msgcode;
 	u32 msglen;
 	u8 devname[WLAN_DEVNAMELEN_MAX];
-	p80211item_unk392_t mibattribute;
+	struct p80211item_unk392 mibattribute;
 	struct p80211item_uint32 resultcode;
 } __packed;
 
@@ -59,7 +59,7 @@ struct p80211msg_dot11req_mibset {
 	u32 msgcode;
 	u32 msglen;
 	u8 devname[WLAN_DEVNAMELEN_MAX];
-	p80211item_unk392_t mibattribute;
+	struct p80211item_unk392 mibattribute;
 	struct p80211item_uint32 resultcode;
 } __packed;
 

drivers/staging/wlan-ng/p80211netdev.c

@@ -614,7 +614,7 @@ static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr)
 {
 	struct sockaddr *new_addr = addr;
 	struct p80211msg_dot11req_mibset dot11req;
-	p80211item_unk392_t *mibattr;
+	struct p80211item_unk392 *mibattr;
 	struct p80211item_pstr6 *macaddr;
 	struct p80211item_uint32 *resultcode;
 	int result;

drivers/staging/wlan-ng/p80211types.h

@@ -310,12 +310,12 @@ struct p80211item_pstr255 {
 } __packed;
 
 /* message data item for UNK 392, namely mib items */
-typedef struct p80211item_unk392 {
+struct p80211item_unk392 {
 	u32 did;
 	u16 status;
 	u16 len;
 	u8 data[MAXLEN_MIBATTRIBUTE];
-} __packed p80211item_unk392_t;
+} __packed;
 
 /* message data item for UNK 1025, namely p2 pdas */
 typedef struct p80211item_unk1024 {