pidgin/pidgin

purple_core_init gets renamed to Purple.Core.init in gobject introspection

Testing Done:
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Reviewed at https://reviews.imfreedom.org/r/2010/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/pidgin"
REPOSITORY_TYPE = "mercurial"
BRANCH = "default"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False