pmcpp: ensure va_end is called for static code checkers
pmcpp: ensure va_end is called for static code checkers

Even though we're about to exit, keep it clean.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp