fix the use of accessor for is_credit_account property on accounts.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@14705 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/AccountModule_getNormalBalance.xml

@@ -70,7 +70,7 @@
             <key> <string>_body</string> </key>
             <value> <string>total = context.AccountModule_getBalance(brain=brain, selection=selection, **kw)\n
 account = brain.getObject()\n
-if account.getIsCreditAccount():\n
+if account.isCreditAccount():\n
   total = - total\n
 return total\n
 </string> </value>

bt5/erp5_accounting/bt/revision

-323
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+324
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