Corrected logic to not set CoreInfo_t::supportAttributeBasedSearch if enablePositionIndex is found in the configuration file but is false/zero.  Based on comment feedback to the pull request.
Corrected logic to not set CoreInfo_t::supportAttributeBasedSearch if enablePositionIndex is found in the configuration file but is false/zero.  Based on comment feedback to the pull request.

SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn