[MERGE #2943 @ddv239] Sort out usage of quotes to properly set path so that it does not contain quotes.
[MERGE #2943 @ddv239] Sort out usage of quotes to properly set path so that it does not contain quotes.

Merge pull request #2943 from ddv239:master

add_msbuild_path.cmd adds quotes to the PATH environment variable  #2942

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