File gdm-service-keytable.patch of Package gdm

Index: gdm-48.0/data/gdm.service.in
===================================================================
--- gdm-48.0.orig/data/gdm.service.in
+++ gdm-48.0/data/gdm.service.in
@@ -20,6 +20,7 @@ After=rc-local.service plymouth-start.se
 OnFailure=plymouth-quit.service
 
 [Service]
+ExecStartPre=-/usr/libexec/gdm/keytable
 ExecStart=${sbindir}/gdm
 KillMode=mixed
 Restart=always