gplugin/gplugin

Clean up a few warnings due to a vfunc signature change
develop
2019-09-30, Gary Kramlich
07b8bbe1258e
Clean up a few warnings due to a vfunc signature change
export GPLUGIN_VERSION=@GPLUGIN_MAJOR_VERSION@.@GPLUGIN_MINOR_VERSION@.@GPLUGIN_MICRO_VERSION@