Whilespace normalization (reindint.py).
diff --git a/Lib/setuptools/extension.py b/Lib/setuptools/extension.py
index 2bef84e..cfcf55b 100644
--- a/Lib/setuptools/extension.py
+++ b/Lib/setuptools/extension.py
@@ -14,7 +14,7 @@
     """Extension that uses '.c' files in place of '.pyx' files"""
 
     if not have_pyrex:
-        # convert .pyx extensions to .c 
+        # convert .pyx extensions to .c
         def __init__(self,*args,**kw):
             _Extension.__init__(self,*args,**kw)
             sources = []
@@ -33,4 +33,3 @@
 distutils.extension.Extension = Extension
 if 'distutils.command.build_ext' in sys.modules:
     sys.modules['distutils.command.build_ext'].Extension = Extension
-