make sure category id does not have any _ at the end

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@2163 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5SyncML/Conduit/ERP5ShopOrderConduit.py

@@ -140,6 +140,7 @@ class ERP5ShopOrderConduit(ERP5Conduit):
       if char != None:
         out += char
     # LOG('Category name output (using str2id) >>>>>>> ', 0, out)
+    out = out.strip('_')
     return out