all: lay libnm-gtk to rest

It's about time.
7 jobs for lr/libnm-gtkicide in 18 minutes and 53 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #461168
fedora28_dist

00:06:51

 
  Test
passed #461173
centos7

00:06:51

passed #461722
fedora_autotools_full

00:05:09

passed #461171
fedora_autotools_minimal

00:05:23

passed #461170
fedora_meson_full

00:05:03

passed #461169
fedora_meson_minimal

00:05:13

failed #461172
fedora_autotools_full

00:00:18