Decrements the reference count of a #GHook. If the reference count falls to 0, the #GHook is removed from the #GHookList and g_hook_free() is called to free it.
a #GHookList
the #GHook to unref
See Implementation
Decrements the reference count of a #GHook. If the reference count falls to 0, the #GHook is removed from the #GHookList and g_hook_free() is called to free it.