egl/wayland: Cleanup private display connection when init fails

When failing to initializing the Wayland EGL driver, don't leak the
display server connection if it was us who created it.

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
index fd4812a..2b50d8e 100644
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -1283,6 +1283,8 @@
  cleanup_registry:
    wl_registry_destroy(dri2_dpy->wl_registry);
    wl_event_queue_destroy(dri2_dpy->wl_queue);
+   if (disp->PlatformDisplay == NULL)
+      wl_display_disconnect(dri2_dpy->wl_dpy);
  cleanup_dpy:
    free(dri2_dpy);
    disp->DriverData = NULL;
@@ -1921,6 +1923,8 @@
  cleanup_registry:
    wl_registry_destroy(dri2_dpy->wl_registry);
    wl_event_queue_destroy(dri2_dpy->wl_queue);
+   if (disp->PlatformDisplay == NULL)
+      wl_display_disconnect(dri2_dpy->wl_dpy);
  cleanup_dpy:
    free(dri2_dpy);
    disp->DriverData = NULL;