ipc: add LIBINPUT_CONFIG_ACCEL_PROFILE_CUSTOM entryv1.8

This was introduced in the last libinput release.

Fixes the following error:

    ../sway/ipc-json.c:928:17: error: enumeration value 'LIBINPUT_CONFIG_ACCEL_PROFILE_CUSTOM' not handled in switch [-Werror=switch]
      928 |                 switch (libinput_device_config_accel_get_profile(device)) {
          |                 ^~~~~~

1 files changed, 5 insertions, 0 deletions

diff --git a/meson.build b/meson.build
index 7185daf1..3d9901a7 100644
--- a/meson.build
+++ b/meson.build
@@ -114,6 +114,11 @@ conf_data.set10('HAVE_LIBSYSTEMD', sdbus.found() and sdbus.name() == 'libsystemd
 conf_data.set10('HAVE_LIBELOGIND', sdbus.found() and sdbus.name() == 'libelogind')
 conf_data.set10('HAVE_BASU', sdbus.found() and sdbus.name() == 'basu')
 conf_data.set10('HAVE_TRAY', have_tray)
+conf_data.set10('HAVE_LIBINPUT_CONFIG_ACCEL_PROFILE_CUSTOM', cc.has_header_symbol(
+        'libinput.h',
+        'LIBINPUT_CONFIG_ACCEL_PROFILE_CUSTOM',
+        dependencies: libinput,
+))
 
 scdoc = dependency('scdoc', version: '>=1.9.2', native: true, required: get_option('man-pages'))
 if scdoc.found()