Work around subdirectory bug in older automake.

Older versions of automake doesn't properly support no-recursive make.
Reimplement the build system by having a local Makefile.am in the
simd/ directory.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@31 632fc199-4ca6-4c93-a231-07263d6284db
36 files changed