gplugin/gplugin

Add '--quiet' option to gnome.generate_gir() calls
develop
2018-12-14, Mike Ruprecht
f955e98bc178
Add '--quiet' option to gnome.generate_gir() calls

Adding the --quiet argument to gnome.generate_gir() silences
informational build output such as what g-ir-scanner was called with.
Gtk and others do this, so why don't we as well?
export GPLUGIN_VERSION=@GPLUGIN_MAJOR_VERSION@.@GPLUGIN_MINOR_VERSION@.@GPLUGIN_MICRO_VERSION@