staging:rtl8192u: Rename ToLegalChannel - Style

Rename the function ToLegalChannel, which causes a checkpatch issue due
to its use of CamelCase naming. The function has been renamed to
to_legal_channel.

This is a coding style change which should have no impact on runtime
code execution.
Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/dot11d.c

@@ -150,7 +150,7 @@ int is_legal_channel(struct ieee80211_device *dev, u8 channel)
 }
 EXPORT_SYMBOL(is_legal_channel);
 
-int ToLegalChannel(struct ieee80211_device *dev, u8 channel)
+int to_legal_channel(struct ieee80211_device *dev, u8 channel)
 {
 	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(dev);
 	u8 default_chn = 0;
@@ -173,4 +173,4 @@ int ToLegalChannel(struct ieee80211_device *dev, u8 channel)
 
 	return default_chn;
 }
-EXPORT_SYMBOL(ToLegalChannel);
+EXPORT_SYMBOL(to_legal_channel);

drivers/staging/rtl8192u/ieee80211/dot11d.h

@@ -52,6 +52,6 @@ void dot11d_update_country_ie(struct ieee80211_device *dev,
 u8 dot11d_get_max_tx_pwr_in_dbm(struct ieee80211_device *dev, u8 channel);
 void dot11d_scan_complete(struct ieee80211_device *dev);
 int is_legal_channel(struct ieee80211_device *dev, u8 channel);
-int ToLegalChannel(struct ieee80211_device *dev, u8 channel);
+int to_legal_channel(struct ieee80211_device *dev, u8 channel);
 
 #endif /* #ifndef __INC_DOT11D_H */