text-backend: remove the weston_seat destruction listener on destroy
Prior to freeing the memory in which the link node for the signal is
emedded we should remove the link node from the list to prevent the list
from being corrupted.
https://bugs.freedesktop.org/show_bug.cgi?id=67231
diff --git a/src/text-backend.c b/src/text-backend.c
index 3a1d68c..6c7430c 100644
--- a/src/text-backend.c
+++ b/src/text-backend.c
@@ -792,6 +792,7 @@
deactivate_text_input(input_method->model, input_method);
wl_global_destroy(input_method->input_method_global);
+ wl_list_remove(&input_method->destroy_listener.link);
free(input_method);
}