Fix Coverity in ic_tcp.c
Fix Coverity in ic_tcp.c

* CID 170493:  Null pointer dereferences  (REVERSE_INULL), not need to do
NULL check for transportStates
* CID 170492:  Resource leaks  (RESOURCE_LEAK), addrs in not freed
* CID 170481:  Performance inefficiencies, should pass parameter fds of type "mpp_fd_set" by pointer

edespino/gpdb,Quikling/gpdb,jmcatamney/gpdb,adam8157/gpdb,50wu/gpdb,edespino/gpdb,jmcatamney/gpdb,Chibin/gpdb,Chibin/gpdb,50wu/gpdb,rvs/gpdb,Chibin/gpdb,janebeckman/gpdb,kaknikhil/gpdb,Quikling/gpdb,edespino/gpdb,jmcatamney/gpdb,Chibin/gpdb,rvs/gpdb,yuanzhao/gpdb,lisakowen/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,edespino/gpdb,yuanzhao/gpdb,rvs/gpdb,greenplum-db/gpdb,lisakowen/gpdb,yuanzhao/gpdb,rvs/gpdb,greenplum-db/gpdb,lisakowen/gpdb,edespino/gpdb,Chibin/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,50wu/gpdb,greenplum-db/gpdb,Quikling/gpdb,ashwinstar/gpdb,janebeckman/gpdb,yuanzhao/gpdb,janebeckman/gpdb,Quikling/gpdb,50wu/gpdb,janebeckman/gpdb,edespino/gpdb,xinzweb/gpdb,janebeckman/gpdb,adam8157/gpdb,xinzweb/gpdb,greenplum-db/gpdb,adam8157/gpdb,adam8157/gpdb,kaknikhil/gpdb,adam8157/gpdb,rvs/gpdb,adam8157/gpdb,xinzweb/gpdb,edespino/gpdb,janebeckman/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,Quikling/gpdb,xinzweb/gpdb,rvs/gpdb,cjcjameson/gpdb,50wu/gpdb,jmcatamney/gpdb,lisakowen/gpdb,Chibin/gpdb,cjcjameson/gpdb,Quikling/gpdb,Quikling/gpdb,adam8157/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,janebeckman/gpdb,xinzweb/gpdb,janebeckman/gpdb,kaknikhil/gpdb,lisakowen/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,Chibin/gpdb,yuanzhao/gpdb,Chibin/gpdb,ashwinstar/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,ashwinstar/gpdb,edespino/gpdb,cjcjameson/gpdb,rvs/gpdb,xinzweb/gpdb,adam8157/gpdb,ashwinstar/gpdb,kaknikhil/gpdb,lisakowen/gpdb,50wu/gpdb,lisakowen/gpdb,janebeckman/gpdb,rvs/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,janebeckman/gpdb,rvs/gpdb,Quikling/gpdb,cjcjameson/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,50wu/gpdb,Quikling/gpdb,lisakowen/gpdb,Quikling/gpdb,kaknikhil/gpdb,rvs/gpdb,yuanzhao/gpdb,Chibin/gpdb,kaknikhil/gpdb,xinzweb/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,edespino/gpdb,jmcatamney/gpdb,50wu/gpdb,Chibin/gpdb,ashwinstar/gpdb,xinzweb/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,edespino/gpdb