Forgot to return SW[NORMAL] in case an MSE command actually succeeds :-)

git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@484 96b47cad-a561-4643-ad3b-153ac7d7599c

virtualsmartcard/src/vpicc/virtualsmartcard/SmartcardSAM.py

@@ -464,6 +464,8 @@ class Security_Environment(object):
                 self.dst.parse_SE_config(config)
             else:
                 raise SwError(SW["ERR_REFNOTUSABLE"])
+            
+        return SW["NORMAL"], ""
     
 class Secure_Messaging(object):