debian/copyright: use secure git URL

Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>

diff --git a/debian/copyright b/debian/copyright
index 0931d9b97446dda6692f359d5dd603eff1983789..a88ce1dc5204faf9785ebb51763823c4508c9886 100644 (file)
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,6 +1,6 @@
 Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: notmuch
-Source: git://notmuchmail.org/git/notmuch
+Source: https://git.notmuchmail.org/git/notmuch
 Upstream-Contact: Notmuch Mailing List <notmuch@notmuchmail.org>
 
 Files: *