pidgin/pidgin

protocol.c was renamed to purpleprotocol.c awhile ago but the docs were not updated for it

2021-11-02, Gary Kramlich
91c9fc1f1db3
protocol.c was renamed to purpleprotocol.c awhile ago but the docs were not updated for it

Testing Done:
ran `ninja libpurple-doc` successfully.

Reviewed at https://reviews.imfreedom.org/r/1122/
i18n = import('i18n')
i18n.gettext('pidgin',
args : '--from-code=utf-8',
install : get_option('nls'),
)