user-accounts/wacom: Fix a critical warning if loading a cursor fails
It’s possible for gdk_cursor_new_for_display()
to return NULL
. It’s
OK to pass NULL
to gdk_window_set_cursor()
, but not OK to then unref
it.
It’s possible for gdk_cursor_new_for_display()
to return NULL
. It’s
OK to pass NULL
to gdk_window_set_cursor()
, but not OK to then unref
it.