fixes to the 2.0 header
fixes to the 2.0 header


git-svn-id: 7da8cc0ac7d30b73f645a095233372abee89396f@24479 e7fa87d3-cd2b-0410-9028-fcbf551c1848

KhronosGroup/OpenCL-Headers,KhronosGroup/OpenCL-Headers