gplugin/gplugin

Merged in feature/meson-subproject-fix (pull request #28)
develop
2019-08-16, Gary Kramlich
0bf40d5b40ac
Merged in feature/meson-subproject-fix (pull request #28)

Fix the build when ran in a meson subproject.

Approved-by: Elliott Sales de Andrade
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>
Richard Laager <rlaager@pidgin.im>