Non-functional: missing test result and slight coding change from yesterday's...

Non-functional: missing test result and slight coding change from yesterday's constant folding check in.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24293 e7fa87d3-cd2b-0410-9028-fcbf551c1848