 Fix at least one of the things wrong with signals  ^Z should work a lot better now.
 Fix at least one of the things wrong with signals
 ^Z should work a lot better now.

Submitted by:	peter@freebsd.org

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase