use software_home from software_definition as expected by timmy-base.cfg

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34338 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/profiles/common.cfg

 [buildout]
 develop +=
-  ${:software_home}/local-eggs/erp5.recipe.standaloneinstance
-  ${:software_home}/local-eggs/erp5.recipe.bt5checkout
-  ${:software_home}/local-eggs/erp5.recipe.mysqldatabase
-  ${:software_home}/local-eggs/erp5.recipe.mysqlserver
+  ${software_definition:software_home}/local-eggs/erp5.recipe.standaloneinstance
+  ${software_definition:software_home}/local-eggs/erp5.recipe.bt5checkout
+  ${software_definition:software_home}/local-eggs/erp5.recipe.mysqldatabase
+  ${software_definition:software_home}/local-eggs/erp5.recipe.mysqlserver
 
 find-links =
     http://download.zope.org/distribution/