scons: Don't use bundled C99 headers for VS 2013.
Use the ones provided by the compiler instead. NOTE: External trees should be updated to not include '#include/c99' directory directly, but rather rely on scons/gallium.py to do the right thing. Reviewed-by: Brian Paul <firstname.lastname@example.org> Reviewed-by: Roland Scheidegger <email@example.com>
Showing with 6 additions and 6 deletions