wayland: Do not try to lock on an invalid pointer
This happens if you try to lock the pointer and (caps & WL_SEAT_CAPABILITY_POINTER) is false
Leading to input->pointer being NULL which ends up bringing the wayland client down (at lease on weston)
diff --git a/src/video/wayland/SDL_waylandevents.c b/src/video/wayland/SDL_waylandevents.c
index 033e83d..9d783f3 100644
--- a/src/video/wayland/SDL_waylandevents.c
+++ b/src/video/wayland/SDL_waylandevents.c
@@ -1104,6 +1104,9 @@
if (!d->pointer_constraints)
return -1;
+ if (!input->pointer)
+ return -1;
+
if (!input->relative_pointer) {
relative_pointer =
zwp_relative_pointer_manager_v1_get_relative_pointer(
