Fix another bunch of Coverity issues

net/auth/src/DaemonUtils.cxx

net/auth/src/TAuthenticate.cxx

net/auth/src/THostAuth.cxx

net/auth/src/TRootSecContext.cxx

net/auth/src/rsaaux.cxx

net/krb5auth/src/Krb5Auth.cxx

net/net/src/TApplicationRemote.cxx

net/net/src/TApplicationServer.cxx

net/rpdutils/src/globus.cxx

net/rpdutils/src/rpdutils.cxx

net/rpdutils/src/ssh.cxx

proof/pq2/src/pq2main.cxx

proof/proof/src/TProof.cxx

proof/proof/src/TProofCondor.cxx

proof/proof/src/TProofServ.cxx

proof/proofd/src/proofd.cxx

proof/proofplayer/src/TProofPlayer.cxx