loader/wayland: Add fallback wl_display_dispatch_queue_timeout

This is almost a 1:1 copy of the same function in libwayland. If the version
with the symbol propagates far enough the fallback can be removed again.

Signed-off-by: Sebastian Wick <sebastian.wick@redhat.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27511>

src/vulkan/wsi/meson.build

@@ -68,6 +68,7 @@ libvulkan_wsi = static_library(
     idep_vulkan_runtime_headers, idep_xmlconfig, idep_mesautil, platform_deps,
     idep_blake3
   ],
+  link_with: libloader_wayland_helper,
   gnu_symbol_visibility : 'hidden',
   build_by_default : false,
 )

src/vulkan/wsi/wsi_common_wayland.c

@@ -54,6 +54,8 @@
 #include <util/anon_file.h>
 #include <util/os_time.h>
 
+#include <loader/loader_wayland_helper.h>
+
 #ifdef MAJOR_IN_MKDEV
 #include <sys/mkdev.h>
 #endif