pidgin/pidgin

Merged in default (pull request #647)

2019-11-19, Gary Kramlich
94867e3f638a
Merged in default (pull request #647)

Bump the gtk minimum to 3.22 and remove gtk3compat.h

Approved-by: Elliott Sales de Andrade
Approved-by: John Bailey
libpurple/data/purple-url-handler.desktop.in
libpurple/protocols/null/nullprpl.c
pidgin/data/im.pidgin.Pidgin.desktop.in
sub/libpurple/data/purple-url-handler.desktop.in
sub/libpurple/protocols/null/nullprpl.c
sub/pidgin/data/im.pidgin.Pidgin.desktop.in