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)
Added tag v7-3-885 for changeset c5eab656ec51
updated for version 7.3.886
Problem:    Can't build with multi-byte on Solaris 10.
Solution:   Add #ifdef X_HAVE_UTF8_STRING. (Laurent Blume)
Added tag v7-3-886 for changeset 902d6ab377ee