gplugin/gplugin

Use a local error in gplugin_manager_real_unload_plugin so everyone gets an error regardless of whether or not the caller passed one in.
feature/unload-failed-state
2020-04-11, Gary Kramlich
e5c3911cce4f
Use a local error in gplugin_manager_real_unload_plugin so everyone gets an error regardless of whether or not the caller passed one in.
[branchname]
master = default
develop = develop
feature = feature/
release = release/
hotfix = hotfix/
support = support/