staging: r8188eu: mark cckrates_included as bool

Mark cckrates_included as bool as it returns true/false.
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Vihas Makwana <makvihas@gmail.com>
Link: https://lore.kernel.org/r/20220302204737.49056-9-makvihas@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_wlan_util.c

@@ -45,7 +45,7 @@ static u8 rtw_basic_rate_mix[7] = {
 	IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
 };
 
-int cckrates_included(unsigned char *rate, int ratelen)
+bool cckrates_included(unsigned char *rate, int ratelen)
 {
 	int	i;
 

drivers/staging/r8188eu/include/rtw_mlme_ext.h

@@ -632,7 +632,7 @@ void addba_timer_hdl(struct sta_info *psta);
 		_set_timer(&(mlmeext)->link_timer, (ms)); \
 	} while (0)
 
-int cckrates_included(unsigned char *rate, int ratelen);
+bool cckrates_included(unsigned char *rate, int ratelen);
 int cckratesonly_included(unsigned char *rate, int ratelen);
 
 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr);