[FIX] Use the module_filename field as filename for the binary field

lp bug: https://launchpad.net/bugs/323387 fixed

bzr revid: stephane@tinyerp.com-20090202131828-g4cnruz0nlwp1fdp

addons/base_module_publish/wizard/wizard_module_export.py

@@ -40,7 +40,7 @@ init_fields = {
 finish_form = '''<?xml version="1.0"?>
 <form string="Finish">
     <separator string="Module successfully exported !" colspan="4"/>
-    <field name="module_file"/>
+    <field name="module_file" filename='module_filename'/>
     <newline/>
     <field name="module_filename"/>
 </form>'''