pidgin/pidgin

Use a GQueue for zephyr plus related cleanup

2020-11-25, Elliott Sales de Andrade
4266008a7791
Use a GQueue for zephyr plus related cleanup

* Make `_Z_InputQ->complete` a boolean, as that's all it's used as.
* Use GLib allocation functions for `Z_InputQ` members.
* Use a `GQueue` for zephyr input.
* Use `*_find_custom` functions for input queue search.

Testing Done:
Compile only.

Reviewed at https://reviews.imfreedom.org/r/253/
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