staging: r8188eu: mark cckratesonly_included as bool

Mark cckratesonly_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/20220302204737.49056-10-makvihas@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_wlan_util.c

@@ -57,7 +57,7 @@ bool cckrates_included(unsigned char *rate, int ratelen)
 	return false;
 }
 
-int cckratesonly_included(unsigned char *rate, int ratelen)
+bool cckratesonly_included(unsigned char *rate, int ratelen)
 {
 	int	i;
 

drivers/staging/r8188eu/include/rtw_mlme_ext.h

@@ -633,7 +633,7 @@ void addba_timer_hdl(struct sta_info *psta);
 	} while (0)
 
 bool cckrates_included(unsigned char *rate, int ratelen);
-int cckratesonly_included(unsigned char *rate, int ratelen);
+bool cckratesonly_included(unsigned char *rate, int ratelen);
 
 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr);