Add libstdc++ library to LD_PRELOAD path to find proper symbols
Add libstdc++ library to LD_PRELOAD path to find proper symbols

In testing we found a bug caused by loading and incompatible
C++ libary, this change forces the proper libstdc++ libary
to be used on older SmartOS machines.

authbox-lib/riak,xuejianhai/riak,yangchengjian/riak,basho/riak,laurenrother/riak,glickbot/riak,elkingtonmcb/riak,biddyweb/riak,amyvmiwei/riak,DavidAlphaFox/riak,GabrielNicolasAvellaneda/riak