[MERGE #2179 @jianchun] swb: fix one missing inlineSlots annotation
[MERGE #2179 @jianchun] swb: fix one missing inlineSlots annotation

Merge pull request #2179 from jianchun:onemissing

Causes mising write barrier in DynamicTypeHandler::AdjustSlots() and
failure in Octane.

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