cisco/openh264 — pull request #869 by sijchen (2014-05-20 08:59:07+00:00)
Title: [Fix] put all (int32_t) to WELS_ROUND

reviewed at https://rbcommons.com/s/OpenH264/r/444/
put all (int32_t) to WELS_ROUND to minimize possible mismatch on double-float calculation on different machines and remove some unnecessary (int32_t)