Handle easy_install being run via -m with no __file__ if done from a

zipfile.

Lib/setuptools.egg-info/PKG-INFO

 Metadata-Version: 1.0
 Name: setuptools
-Version: 0.7a1dev-r45519
+Version: 0.7a1dev-r45521
 Summary: Download, build, install, upgrade, and uninstall Python packages -- easily!
 Home-page: http://peak.telecommunity.com/DevCenter/setuptools
 Author: Phillip J. Eby

Lib/setuptools/command/easy_install.py

@@ -1549,6 +1549,7 @@ usage: %(script)s [options] requirement_or_url ...
     with_ei_usage(lambda:
         setup(
             script_args = ['-q','easy_install', '-v']+argv,
+            script_name = sys.argv[0] or 'easy_install',
             distclass=DistributionWithoutHelpCommands, **kw
         )
     )
@@ -1557,4 +1558,3 @@ usage: %(script)s [options] requirement_or_url ...
 
 
 
-