pidgin/pidgin

Replace bonjour_xmpp_get_local_ips by purple_network_get_all_local_system_ips.

The only difference is that the former allows specifying an existing
socket to use for the SIOCGIFCONF ioctl.
subdir('libpurple')
subdir('protocols')
if ENABLE_GTK
subdir('pidgin')
endif
if enable_consoleui
subdir('finch')
endif