cisco/openh264 — pull request #1391 by sijchen (2014-09-28 05:19:17+00:00)
Title: [Encoder] Fix a warning and refactor

1, fix a value in preprocess to avoid warning in UT
2, refactor to wrap the operation to m_pSpatialPic into WelsPreprocess

being reviewed at: https://rbcommons.com/s/OpenH264/r/834/