* SConstruct: add GSSAPI option to build the kerberos auth module.
* SConstruct: add GSSAPI option to build the kerberos auth module.

git-svn-id: 683495cb1553624b05a54e2ba9533425f69cf277@1666 61a7d7f5-40b7-0310-9c16-bb0ea8cb1845

coapp-packages/serf,coapp-packages/serf,coapp-packages/serf