use https://deb.debian.org/debian as default mirror

diff --git a/modules/schroot/files/setup-dchroot b/modules/schroot/files/setup-dchroot
index dc2ad44..b91a249 100755 (executable)
--- a/modules/schroot/files/setup-dchroot
+++ b/modules/schroot/files/setup-dchroot
@@ -184,7 +184,7 @@ arch="$THISARCH"
 if [ -e /etc/schroot/dsa/default-mirror ]; then
     mirror=$(cat /etc/schroot/dsa/default-mirror )
 fi
-mirror="${mirror:-http://ftp.debian.org/debian}"
+mirror="${mirror:-https://deb.debian.org/debian}"
 configonly=""
 force=""
 basedir="/srv/chroot"