gplugin/gplugin

Make Meson dependency clearer with >=.
develop
2017-06-09, Elliott Sales de Andrade
7a9fc4c72fa6
Make Meson dependency clearer with >=.

Since there isn't a 0.36.1, it's a bit clearer to say >=0.37.0.
export GPLUGIN_VERSION=@GPLUGIN_MAJOR_VERSION@.@GPLUGIN_MINOR_VERSION@.@GPLUGIN_MICRO_VERSION@