staging: rtl8192e: Make rtllib_rx_mgt() static

Function is not referenced outside of rtllib_rx.c
Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtllib.h

@@ -2000,9 +2000,6 @@ extern void rtllib_txb_free(struct rtllib_txb *);
 /* rtllib_rx.c */
 extern int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb,
 			struct rtllib_rx_stats *rx_stats);
-extern void rtllib_rx_mgt(struct rtllib_device *ieee,
-			     struct sk_buff *skb,
-			     struct rtllib_rx_stats *stats);
 extern void rtllib_rx_probe_rq(struct rtllib_device *ieee,
 			   struct sk_buff *skb);
 extern int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel);

drivers/staging/rtl8192e/rtllib_rx.c

@@ -44,6 +44,9 @@
 #include "rtllib.h"
 #include "dot11d.h"
 
+static void rtllib_rx_mgt(struct rtllib_device *ieee, struct sk_buff *skb,
+			  struct rtllib_rx_stats *stats);
+
 static inline void rtllib_monitor_rx(struct rtllib_device *ieee,
 				     struct sk_buff *skb,
 				     struct rtllib_rx_stats *rx_status,
@@ -2715,7 +2718,7 @@ static inline void rtllib_process_probe_response(
 	kfree(network);
 }
 
-void rtllib_rx_mgt(struct rtllib_device *ieee,
+static void rtllib_rx_mgt(struct rtllib_device *ieee,
 			  struct sk_buff *skb,
 			  struct rtllib_rx_stats *stats)
 {