updated for version 7.3.885
Problem:    Double free for list and dict in Lua. (Shougo Matsu)
Solution:   Do not unref list and dict. (Yasuhiro Matsumoto)
diff --git a/src/if_lua.c b/src/if_lua.c
index 1458593..0d1d08e 100644
--- a/src/if_lua.c
+++ b/src/if_lua.c
@@ -665,13 +665,6 @@
 luaV_type_tostring(list, LUAVIM_LIST)
 
     static int
-luaV_list_gc (lua_State *L)
-{
-    list_unref(luaV_unbox(L, luaV_List, 1));
-    return 0;
-}
-
-    static int
 luaV_list_len (lua_State *L)
 {
     list_T *l = luaV_unbox(L, luaV_List, 1);
@@ -801,7 +794,6 @@
 
 static const luaL_Reg luaV_List_mt[] = {
     {"__tostring", luaV_list_tostring},
-    {"__gc", luaV_list_gc},
     {"__len", luaV_list_len},
     {"__call", luaV_list_call},
     {"__index", luaV_list_index},
@@ -830,13 +822,6 @@
 luaV_type_tostring(dict, LUAVIM_DICT)
 
     static int
-luaV_dict_gc (lua_State *L)
-{
-    dict_unref(luaV_unbox(L, luaV_Dict, 1));
-    return 0;
-}
-
-    static int
 luaV_dict_len (lua_State *L)
 {
     dict_T *d = luaV_unbox(L, luaV_Dict, 1);
@@ -929,7 +914,6 @@
 
 static const luaL_Reg luaV_Dict_mt[] = {
     {"__tostring", luaV_dict_tostring},
-    {"__gc", luaV_dict_gc},
     {"__len", luaV_dict_len},
     {"__call", luaV_dict_call},
     {"__index", luaV_dict_index},
diff --git a/src/version.c b/src/version.c
index 71a96b4..8acd839 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    885,
+/**/
     884,
 /**/
     883,