msys-lndir: add build recipe for lndir 1.0.3

This version includes a fix for the st_nlink bug [1].

[1] http://cgit.freedesktop.org/xorg/util/lndir/commit/lndir.c?id=23bacbd6c71ec815f394f0a7bbc9e684b3e05438

Signed-off-by: Karsten Blees <blees@dcon.de>