Fix build several build errors

glslang/SPIRV/SpvBuilder.cpp:2533:27: error: comparison of integers of different signs: 'int' and 'size_type' (aka 'unsigned long') [-Werror,-Wsign-compare]
        for (int c = 0; c < accessChain.swizzle.size(); ++c)
                        ~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.

glslang/hlsl/hlslParseHelper.cpp:69:5: error: field 'cullDistanceInput' will be initialized after field 'clipDistanceOutput' [-Werror,-Wreorder]
    cullDistanceInput(nullptr),
    ^
1 error generated.

glslang/glslang/MachineIndependent/attribute.cpp:85:16: error: comparison of integers of different signs: 'int' and 'size_type' (aka 'unsigned long') [-Werror,-Wsign-compare]
    if (argNum >= args->getSequence().size())
        ~~~~~~ ^  ~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.