staging: rtl8188eu: refactor rtw_hal_antdiv_before_linked()

Refactor rtw_hal_antdiv_before_linked() to clear checkpatch warnings.

WARNING: line over 80 characters
WARNING: else is not generally useful after a break or return
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200114134422.13598-1-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rtl8188e_dm.c

@@ -197,15 +197,16 @@ u8 rtw_hal_antdiv_before_linked(struct adapter *Adapter)
 	if (check_fwstate(pmlmepriv, _FW_LINKED))
 		return false;
 
-	if (dm_swat_tbl->SWAS_NoLink_State == 0) {
+	if (dm_swat_tbl->SWAS_NoLink_State != 0) {
+		dm_swat_tbl->SWAS_NoLink_State = 0;
+		return false;
+	}
+
 	/* switch channel */
 	dm_swat_tbl->SWAS_NoLink_State = 1;
-		dm_swat_tbl->CurAntenna = (dm_swat_tbl->CurAntenna == Antenna_A) ? Antenna_B : Antenna_A;
+	dm_swat_tbl->CurAntenna = (dm_swat_tbl->CurAntenna == Antenna_A) ?
+				  Antenna_B : Antenna_A;
 
 	rtw_antenna_select_cmd(Adapter, dm_swat_tbl->CurAntenna, false);
 	return true;
-	} else {
-		dm_swat_tbl->SWAS_NoLink_State = 0;
-		return false;
-	}
 }