Fix bug in aligned_free with windows CE
(transplanted from 127a7d3346d98130bc03f3d1d44ac95c9df0e86b)

--HG--
branch : 3.1
extra : transplant_source : %12z%7D3F%D9%810%BC%03%F3%D1%D4J%C9%5C%9D%F0%E8k