input-settings: Set pointing stick scrolling method

This enables setting pointing stick (Trackpoint) scrolling method.
fixes: GNOME/gnome-tweaks#70

GNOME/mutter!532
3 jobs for !532 with master in 1 minute and 28 seconds (queued for 7 seconds)
latest detached
Status Job ID Name Coverage
  Review
passed #272039
check-commit-log

00:00:38

 
  Build
failed #272040
build-mutter

00:00:49

 
  Test
skipped #272041
test-mutter
 
Name Stage Failure
failed
build-mutter Build
[393/871] Compiling C object 'src/25a6634@@mutter-4@sha/backends_meta-cursor-sprite-xcursor.c.o'.
[394/871] Compiling C object 'src/25a6634@@mutter-4@sha/backends_meta-cursor-renderer.c.o'.
[395/871] Compiling C object 'clutter/clutter/50bf134@@mutter-clutter-4@sha/evdev_clutter-device-manager-evdev.c.o'.
[396/871] Compiling C object 'clutter/clutter/50bf134@@mutter-clutter-4@sha/clutter-text.c.o'.
[397/871] Compiling C object 'clutter/clutter/50bf134@@mutter-clutter-4@sha/cally_cally-text.c.o'.
[398/871] Generating CoglPango-4.gir with a custom command.
[399/871] Compiling C object 'clutter/clutter/50bf134@@mutter-clutter-4@sha/clutter-actor.c.o'.
ninja: build stopped: subcommand failed.
ERROR: Job failed: exit code 1