[MERGE #2099 @ThomsonTan] Enable /bigobj which for chakra.runtime.library.lib

Merge pull request #2099 from ThomsonTan:AdoptNewBuildOption

/bigobj is required for chakra.runtiem.library.lib with new tools to pass build.

lib/Runtime/Library/Chakra.Runtime.Library.vcxproj

@@ -40,6 +40,7 @@
       </AdditionalIncludeDirectories>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>RuntimeLibraryPch.h</PrecompiledHeaderFile>
+      <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -344,4 +345,4 @@
     <Import Project="$(VCTargetsPath)\BuildCustomizations\masm.targets" />
     <Import Project="$(BuildConfig_ARMASM_Path)armasm.targets" />
   </ImportGroup>
-</Project>
+</Project>