Recommended update for gdm
This update for gdm fixes the following issues:
- Remove the gnome session runtime requirement of g-s-d Wacom plugin because it is
not build on s390 (bsc#1129412).
This update was imported from the SUSE:SLE-15:Update update project.
- Submitted by Yifan Jiang (yfjiang)
Fixed bugs
bnc#1129412
[190.3][s390x] Not possible to connect to VNC on installed system