glslang build: force the use of -std=c++11 when building with Clang.  David Neto <dneto@google.com>.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31583 e7fa87d3-cd2b-0410-9028-fcbf551c1848
1 file changed