gplugin/gplugin

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/
[branchname]
master = default
develop = develop
feature = feature/
release = release/
hotfix = hotfix/
support = support/