libgnt/libgnt

override the dependency if we're on a new enough version of meson
release-2.x.y
2021-08-03, Gary Kramlich
757982d6c981
override the dependency if we're on a new enough version of meson

Testing Done:
Just ran meson to make sure there weren't any errors.

Reviewed at https://reviews.imfreedom.org/r/836/
plugindir = get_option('libdir') + '/gnt'
irssi = library('irssi', 'irssi.c',
dependencies : [ncurses, gobject, libgnt_dep],
name_prefix : '',
install : true, install_dir : plugindir)
s = library('s', 's.c',
dependencies : [ncurses, gobject, libgnt_dep],
name_prefix : '',
install : true, install_dir : plugindir)