which is still common in Linux distros, and does in 0.6.0). Disable it if we
 don't, attempting to fallback to using nasm. Thanks to Mike Frysinger for the
 patch.

   Fixes Bugzilla #393.

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%402328