Bug#845253: icedove: Contrast ratio reduced in message list and folder panes.

[Tim Small]

Package: icedove
Version: 1:45.5.0-1
Followup-For: Bug #845253

Workaround for <profile-dir>/chrome/userChrome.css:

/* Make folder pane and message pane text dark grey or black */
treechildren {
        color: #1f1c1b;
        /* color: black; */
}