Comment 2 for bug 745585

It was removed in upstream commit eb023c0f8919e:

Author: Daniel Stone <daniel fooishbar.org>
Date: Tue Jun 15 18:49:43 2010 +0100

    Delete now-redundant XKeysymDB

    Since XStringToKeysym now supports all the vendor keysyms, just delete
    our XKeysymDB, which was incomplete at best, misleading at worst, and
    always an annoyance.

    Signed-off-by: Daniel Stone <daniel fooishbar.org>
    Reviewed-by: Alan Coopersmith <alan.coopersmith oracle.com>

it would be trivial to add it back, but maybe there is another way to fix the apps.