qcacmn: Fix checkpatch ERRORs in son_ol_send_null()

Fix the following ERROR-level issues reported by checkpatch:
ERROR: space prohibited after that open parenthesis '('
ERROR: space required before the open parenthesis '('

Change-Id: I221b7bcaad4116f759beb4a51f196dd0e749d764
CRs-Fixed: 2241592

target_if/son/src/target_if_son.c

@@ -104,7 +104,7 @@ QDF_STATUS son_ol_send_null(struct wlan_objmgr_pdev *pdev,
 
 	psoc = wlan_pdev_get_psoc(pdev);
 
-	if( !psoc)
+	if (!psoc)
 		return QDF_STATUS_E_FAILURE;
 
 	param.vdev_id = wlan_vdev_get_id(vdev);