Fix license classifier to approved one.

git-svn-id: http://proj.badc.rl.ac.uk/svn/ndg-security/trunk/ndg_httpsclient@7995 051b1e3e-aa0c-0410-b6c2-bfbade6052be

setup.py

@@ -72,7 +72,7 @@ setup(
         'Intended Audience :: Developers',
         'Intended Audience :: System Administrators',
         'Intended Audience :: Science/Research',
-        'License :: OSI Approved :: GNU Library or Lesser General Public License (BSD)',
+        'License :: OSI Approved :: BSD License',
         'Natural Language :: English',
         'Operating System :: Microsoft :: Windows',
         'Operating System :: POSIX :: Linux',