qulogic/pidgin

IRCv3: Update the signals so that handlers can inhibit the message from being displayed

This was mainly added for DCC neogotiation, but could be useful in other ways.

Testing Done:
Sent `CTCP VERSION` from irssi to a nick and a channel. Also sent `CTCP VERSION` from pidgin 3 to a nick and channel.

Bugs closed: PIDGIN-17721

Reviewed at https://reviews.imfreedom.org/r/2858/
subdir('reference')
if ENABLE_GTK
configure_file(
input : 'pidgin3.1.in',
output : 'pidgin3.1',
configuration : man_conf,
install : true,
install_dir : get_option('mandir') / 'man1')
endif
if enable_consoleui
configure_file(
input : 'finch3.1.in',
output : 'finch3.1',
configuration : man_conf,
install : true,
install_dir : get_option('mandir') / 'man1')
endif