Fix for http://bugs.python.org/setuptools/issue37 - missing

__loader__ running under Google App Engine. (backport from trunk)

--HG--
branch : setuptools-0.6
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/branches/setuptools-0.6%4066389

setuptools/command/bdist_egg.py

@@ -29,7 +29,7 @@ def write_stub(resource, pyfile):
         "   import sys, pkg_resources, imp",
         "   __file__ = pkg_resources.resource_filename(__name__,%r)"
             % resource,
-        "   del __bootstrap__, __loader__",
+        "   __loader__ = None; del __bootstrap__, __loader__",
         "   imp.load_dynamic(__name__,__file__)",
         "__bootstrap__()",
         "" # terminal \n