staging: rtl8188eu: add spaces around character

This patch solves a checkpatch issue caused by not using spaces
around an OR sign.
Signed-off-by: Juliana Rodrigues <juliana.orod@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_cmd.c

@@ -396,7 +396,7 @@ u8 rtw_joinbss_cmd(struct adapter  *padapter, struct wlan_network *pnetwork)
 
 
 	/* for hidden ap to set fw_state here */
-	if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE)) {
+	if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_ADHOC_STATE)) {
 		switch (ndis_network_mode) {
 		case Ndis802_11IBSS:
 			set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);