Fix the following gcc warning:

drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:1087:33: warning: variable
‘algthm’ set but not used [-Wunused-but-set-variable]
  unsigned int seq, len, status, algthm, offset;
                                 ^~~~~~

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Jason Yan <yanai...@huawei.com>
---
 drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c 
b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index 8f9da1d49343..5adc3dad8d7c 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -1084,7 +1084,7 @@ unsigned int OnAuth(struct adapter *padapter, union 
recv_frame *precv_frame)
 
 unsigned int OnAuthClient(struct adapter *padapter, union recv_frame 
*precv_frame)
 {
-       unsigned int    seq, len, status, algthm, offset;
+       unsigned int    seq, len, status, offset;
        unsigned char *p;
        unsigned int    go2asoc = 0;
        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
@@ -1103,7 +1103,6 @@ unsigned int OnAuthClient(struct adapter *padapter, union 
recv_frame *precv_fram
 
        offset = (GetPrivacy(pframe)) ? 4 : 0;
 
-       algthm  = le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + 
offset));
        seq     = le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + 
offset + 2));
        status  = le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + 
offset + 4));
 
-- 
2.21.1

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