luaa: fix memory leak in __gc

We need to wipe the ref_array.

Signed-off-by: Julien Danjou <julien@danjou.info>

button.c

@@ -40,6 +40,7 @@ static int
 luaA_button_gc(lua_State *L)
 {
     button_t *button = luaL_checkudata(L, 1, "button");
+    luaA_ref_array_wipe(&button->refs);
     luaL_unref(globalconf.L, LUA_REGISTRYINDEX, button->press);
     luaL_unref(globalconf.L, LUA_REGISTRYINDEX, button->release);
     return 0;

client.c

@@ -51,6 +51,7 @@ static int
 luaA_client_gc(lua_State *L)
 {
     client_t *c = luaL_checkudata(L, 1, "client");
+    luaA_ref_array_wipe(&c->refs);
     button_array_wipe(&c->buttons);
     image_unref(L, c->icon);
     p_delete(&c->class);

image.c

@@ -28,6 +28,7 @@ static int
 luaA_image_gc(lua_State *L)
 {
     image_t *p = luaL_checkudata(L, 1, "image");
+    luaA_ref_array_wipe(&p->refs);
     imlib_context_set_image(p->image);
     imlib_free_image();
     p_delete(&p->data);

key.c

@@ -50,6 +50,7 @@ static int
 luaA_key_gc(lua_State *L)
 {
     keyb_t *kbp = luaL_checkudata(L, 1, "key");
+    luaA_ref_array_wipe(&kbp->refs);
     luaL_unref(globalconf.L, LUA_REGISTRYINDEX, kbp->press);
     luaL_unref(globalconf.L, LUA_REGISTRYINDEX, kbp->release);
     return 0;

tag.c

@@ -41,6 +41,7 @@ static int
 luaA_tag_gc(lua_State *L)
 {
     tag_t *tag = luaL_checkudata(L, 1, "tag");
+    luaA_ref_array_wipe(&tag->refs);
     client_array_wipe(&tag->clients);
     p_delete(&tag->name);
     return 0;

wibox.c

@@ -39,6 +39,7 @@ static int
 luaA_wibox_gc(lua_State *L)
 {
     wibox_t *wibox = luaL_checkudata(L, 1, "wibox");
+    luaA_ref_array_wipe(&wibox->refs);
     p_delete(&wibox->cursor);
     simplewindow_wipe(&wibox->sw);
     button_array_wipe(&wibox->buttons);

widget.c

@@ -44,6 +44,7 @@ static int
 luaA_widget_gc(lua_State *L)
 {
     widget_t *widget = luaL_checkudata(L, 1, "widget");
+    luaA_ref_array_wipe(&widget->refs);
     if(widget->destructor)
         widget->destructor(widget);
     button_array_wipe(&widget->buttons);