fixed vcard receive from private chat again

src/vcard.py

@@ -238,6 +238,15 @@ class VcardWindow:
         self.test_remove_progressbar()
 
     def _nec_vcard_received(self, obj):
+        if obj.conn.name != self.account:
+            return
+        if obj.resource:
+            # It's a muc occupant vcard
+            if obj.fjid != self.real_jid:
+                return
+        else:
+            if obj.jid != self.contact.jid:
+                return
         self.set_values(obj.vcard_dict)
 
     def test_remove_progressbar(self):