Comment 70 for bug 527938

Bjoern Michaelsen committed a patch related to this issue.
It has been pushed to "master":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=1889c1af41650576a29c587a0b2cdeaf0d297587

lp#527938, debian#602953, fdo#33266, i#105408: do not crash on clicking bibliography when base isnt installed