Fix for Debug build on MSVC2008 and MSVC2012 after Cycles Kernel optimization:

Compiler optimization was accidentally set to /Ox for debug build too.
Changed this to be /Od in Debug and /Ox in Release mode.


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@57579 954f8c5b-7b00-dc11-b283-0030488c597c