OpenImageIO/oiio — pull request #955 by lgritz (2014-09-12 15:55:21+00:00)
Title: SIMD fixes for some compilers

This is just a guess, but it looks like maybe some people's compilers are having trouble with the implicit conversion of int4 to _m128i. In several places, I relied on the conversion, so this just changes those spots to be explicit about it.