[Bug 28955] Receive symbol lookup error when starting gnome-help

[Douglas Green]

Public bug reported:
https://launchpad.net/malone/bugs/28955

Affects: gnome-desktop (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

Description:
When attempting to start gnome-help from the terminal, I receive the
following message:

gnome-help: symbol lookup error: /usr/lib/mozilla-
firefox/components/libdocshell.so: undefined symbol:
PR_GetPhysicalMemorySize

I have Ubuntu Dapper Drake Flight 3, a fresh install + updates on an
AMD64 system.