gplugin/gplugin

Use g_queue_clear_full as we long ago required glib 2.60

2022-03-15, Gary Kramlich
aab3e0707aeb
Use g_queue_clear_full as we long ago required glib 2.60

Testing Done:
Compiled and verified the warning was gone.

Reviewed at https://reviews.imfreedom.org/r/1351/
The following individuals have contributed to this project.
Ankit Vani <a@nevitus.org>
EionRobb <eion@robbmob.com>
Elliott Sales de Andrade <quantum.analyst@gmail.com>
Gary Kramlich <grim@reaperworld.com>
Jason Scherer <schereja@gmail.com>
John Bailey <rekkanoryo@rekkanoryo.org>
Mike Ruprecht <cmaiku@gmail.com>
Olaf Hering <olaf@aepfle.de>
Paul Jimenez <pj@place.org>
Richard Laager <rlaager@pidgin.im>
Sorvival <sorvival@tutanota.com>
ivanhoe <ivanhoe@fiscari.de>