Disable warning "C4702" when compiling json cpp using vs2013 and above #771
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I want to fix the issue: #759.
Jsoncpp project will generate many warnings in vs2017. In my environment, all of the warnings are C4702: unreachable code.
Add few lines to suppress this warning.
Tested in local environment, compiling jsoncpp lib in vs2017 and no warning is generated.