staging: rtl8188eu: core: rtw_mlme: Remove return variables.

The last two lines in the function could
be compressed into one. Avoid usage of local variable.
Issue found with Coccinelle using ret.cocci.
Signed-off-by: Sanjana Sanikommu <sanjana99reddy99@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_mlme.c

@@ -1632,8 +1632,7 @@ int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, in
 	pcmd->rsp = NULL;
 	pcmd->rspsz = 0;
 	INIT_LIST_HEAD(&pcmd->list);
-	res = rtw_enqueue_cmd(pcmdpriv, pcmd);
-	return res;
+	return rtw_enqueue_cmd(pcmdpriv, pcmd);
 
 err_free_parm:
 	kfree(psetkeyparm);