dovecot: Version bump to 2.3.2
See https://dovecot.org/list/dovecot-news/2018-June/000383.html for release notes. This is a bugfix release.
main/ncurses: add /lib/terminfo to terminfo dirs
This is so statically compiled binaries works on distros where terminfo
is installed in /lib/terminfo (like ubuntu)
Revert "main/dovecot: upgrade to 188.8.131.52"
The issue it was supposed to fix was only affecting 3.8-stable. git
master was already updated.
This reverts commit b992b2800067278ab9588885c69e91217a84c328.