Bump extensions.enigmail.configuredVersion to match what we currently get on Jessie.

c21d8ffa · intrigeri · a7b044a3 · c21d8ffa
Commit c21d8ffa authored Dec 20, 2015 by intrigeri
--- a/config/chroot_local-includes/etc/skel/.icedove/profile.default/preferences/0000tails.js
+++ b/config/chroot_local-includes/etc/skel/.icedove/profile.default/preferences/0000tails.js
-user_pref("extensions.enigmail.configuredVersion", "1.7.2");
+user_pref("extensions.enigmail.configuredVersion", "1.8.2");