staging: rtl8723bs: Change return type of networktype_to_raid_ex()

Change return type of header file prototype of networktype_to_raid_ex
from unsigned char to u8 to match its actual definition and call site.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/include/rtw_mlme_ext.h

@@ -544,7 +544,7 @@ extern struct xmit_frame *alloc_mgtxmitframe(struct xmit_priv *pxmitpriv);
 
 /* void fill_fwpriv(struct adapter *padapter, struct fw_priv *pfwpriv); */
 
-unsigned char networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta);
+u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta);
 
 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len);
 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask);