Bug#950146: Upgrade enchant to minimally 2.2.7

See also https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=950148 for a coordinated release of upgraded packages.

Bug#950146: Upgrade enchant to minimally 2.2.7

Package: libenchant1c2a Version: 1.6.0-11.1+b1 Severity: important Tags: upstream Please upgrade enchant to minimally version 2.2.7 which is three years newer the currently packaged version. Upgrading also allows for upgrading libgtkspell3 and future support for using Nuspell spell checking engine