setup.py: update to https

diff --git a/setup.py b/setup.py
index 78ff711..01ed2bd 100755 (executable)
--- a/setup.py
+++ b/setup.py
@@ -66,7 +66,7 @@ distrib = setup(name='aubio',
     author_email = 'piem@aubio.org',
     maintainer = 'Paul Brossier',
     maintainer_email = 'piem@aubio.org',
-    url = 'http://aubio.org/',
+    url = 'https://aubio.org/',
     platforms = 'any',
     classifiers = classifiers,
     install_requires = ['numpy'],