pidgin/pidgin

a80230105e43
Make PurpleWhiteboardManager a final type

Testing Done:
ran the unit tests.

Reviewed at https://reviews.imfreedom.org/r/1085/
PURPLE_HISTORY_SOURCES = [
'purplehistorycore.c',
]
purple_history = executable('purple-history',
PURPLE_HISTORY_SOURCES,
dependencies : [libpurple_dep, glib],
install : true)