code cleanup: remove unused argument from bli_builddir


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@55045 954f8c5b-7b00-dc11-b283-0030488c597c
fix for building with msvc


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@55046 954f8c5b-7b00-dc11-b283-0030488c597c