Add scanner that can find '#version' across an array of non-null terminated, length-based, strings. Handle the ES error where #version is not the first thing found, while still supporting desktop behavior, and more generally support length-based multiple strings for a single shader.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@22165 e7fa87d3-cd2b-0410-9028-fcbf551c1848

glslang/Public/ShaderLang.h

@@ -164,6 +164,7 @@ SH_IMPORT_EXPORT int ShCompile(
     const ShHandle,
     const char* const shaderStrings[],
     const int numStrings,
+    const int* lengths,
     const EShOptimizationLevel,
     const TBuiltInResource *resources,
     int debugOptions,