[MERGE #1440 @ianwjhalliday] Fixes build break on Chinese Windows 10 VS 2015
[MERGE #1440 @ianwjhalliday] Fixes build break on Chinese Windows 10 VS 2015

Merge pull request #1440 from ianwjhalliday:fix1429

Fixes #1429

Chevron characters appears in the source comments but the compiler on
Chinese Windows 10 believes the code page for the source file cannot
represent these characters.

Fix by converting them to '<<' and '>>'

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