Coverity analysis defect 14909

A new defect has been detected and assigned to sverch in Coverity Connect http://coverity.mongodb.com//sourcebrowser.htm?projectId=10001#mergedDefectId=14909
The defect was flagged by checker RESOURCE_LEAK in
file /src/mongo/util/options_parser/options_parser.cpp
function mongo::optionenvironment::OptionsParser::readConfigFile(const std::basic_string<char, std::char_traits<char>, std::allocator<char>>&, std::basic_string<char, std::char_traits<char>, std::allocator<char>>*)
and this ticket was created by matt.kangas@10gen.com