doc: Adapt GLib documentation path to GLib 2.79.0 #283

Job	Run time
Arch Linux	2m 1s
Get Fedora Releases	7s
OpenMandriva Cooker	3m 2s
openSUSE Tumbleweed	2m 12s
Mageia 8	2m 39s
Installed RPM Tests (Stable Fedora) (x86_64, 38)	3m 49s
Unit Tests (Stable Fedora) (38)	3m 24s
Unit Tests (Stable Fedora) (39)	3m 14s
Unit Tests (Devel Fedora) (40)	3m 7s
Installed RPM Tests (Devel Fedora) (x86_64, 40)	3m 0s
Installed RPM Tests (Stable Fedora) (x86_64, 39)	3m 50s
	30m 25s

Provide feedback