libgnt/libgnt

Fix various warnings in test programs.

2019-04-04, Elliott Sales de Andrade
bb9e4968c8aa
Fix various warnings in test programs.
# vi:et:ts=2 sw=2 sts=2
image: libgnt/builders:debian-buster-amd64
pipelines:
default:
- step:
script:
- set -ex
- meson build-pipelines
- ninja -C build-pipelines
- ninja -C build-pipelines test
- ninja -C build-pipelines libgnt-doc