SEBA-117 Allow FabricCrossconnectServiceInstance to specify westbound fields directly

Change-Id: Ie96fe912ecf68f5c8274c9fcbb2ee339bbe7f19d
diff --git a/xos/synchronizer/models/models.py b/xos/synchronizer/models/models.py
old mode 100755
new mode 100644
index 75ebe1d..8c75a2e
--- a/xos/synchronizer/models/models.py
+++ b/xos/synchronizer/models/models.py
@@ -48,5 +48,6 @@
 
     def save(self, *args, **kwargs):
         self.validate_range(self.s_tag)
+
         super(BNGPortMapping, self).save(*args, **kwargs)