Fixed release script so it doesn't leave an empty tag and thus a dash at the...

Fixed release script so it doesn't leave an empty tag and thus a dash at the end (it's powershell that needs the double-quotes inside single quotes)

--HG--
branch : distribute
extra : rebase_source : c7658c4f86de5055bdb3a20f5bc8b5a0dc3eb4de

release.py

@@ -46,7 +46,7 @@ def do_release():
 	if os.path.isdir('./dist'):
 		shutil.rmtree('./dist')
 	subprocess.check_call([sys.executable, 'setup.py',
-		'-q', 'egg_info', '-RD', '-b', '""', 'sdist', 'register',
+		'-q', 'egg_info', '-RD', '-b', '', 'sdist', 'register',
 		'upload', 'upload_docs'])
 	upload_boostrap_script()