src/testsuite/lsh-2-test, src/testsuite/lsh-3-test,
src/testsuite/tcpip-local-test: Fixed bash-isms.

Rev: src/testsuite/functions.sh:1.2
Rev: src/testsuite/lsh-1-test:1.2
Rev: src/testsuite/lsh-2-test:1.2
Rev: src/testsuite/lsh-3-test:1.2
Rev: src/testsuite/tcpip-local-test:1.2