FIxed VS build.

tools/shaderc/shaderc_spirv.cpp

@@ -6,6 +6,7 @@
 #include "shaderc.h"
 
 BX_PRAGMA_DIAGNOSTIC_PUSH()
+BX_PRAGMA_DIAGNOSTIC_IGNORED_MSVC(4100) // error C4100: 'inclusionDepth' : unreferenced formal parameter
 BX_PRAGMA_DIAGNOSTIC_IGNORED_MSVC(4265) // error C4265: 'spv::spirvbin_t': class has virtual functions, but destructor is not virtual
 #include <ShaderLang.h>
 #include <ResourceLimits.h>