staging: rtl8192e: remove braces from single-line block

This removes the braces from the if statement that checks the
wps_ie_len and ieee->wps_ie values in rtllib_association_req of
rtllib_softmac.c as this block contains only one statement.
Fixes a checkpatch warning.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210207225703.114229-1-phil@philpotter.co.ukSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtllib_softmac.c

@@ -1352,9 +1352,8 @@ rtllib_association_req(struct rtllib_network *beacon,
 		rtllib_WMM_Info(ieee, &tag);
 	}
 
-	if (wps_ie_len && ieee->wps_ie) {
+	if (wps_ie_len && ieee->wps_ie)
 		skb_put_data(skb, ieee->wps_ie, wps_ie_len);
-	}
 
 	if (turbo_info_len) {
 		tag = skb_put(skb, turbo_info_len);