[1.3<master @ 7a7ccac] Resolve missing include for Dev12 build. Fixes #1398
[1.3<master @ 7a7ccac] Resolve missing include for Dev12 build.
Fixes #1398

Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore