Staging: rtl8723au: core: Fix unnecassary braces warning.

This patch fixes these warning messages found by checkpatch.pl:
WARNING: braces {} are not necessary for single statement blocks
Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_sreset.c

@@ -173,9 +173,8 @@ static void sreset_start_adapter(struct rtw_adapter *padapter)
 
 	DBG_8723A("%s(%s)\n", __func__, padapter->pnetdev->name);
 
-	if (check_fwstate(pmlmepriv, _FW_LINKED)) {
+	if (check_fwstate(pmlmepriv, _FW_LINKED))
 		sreset_restore_network_status(padapter);
-	}
 
 	/* TODO: OS and HCI independent */
 	tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);