Fix a bug where siglongjmp would clobber the argument to return from sigsetjmp.  It would return the value of the signal flag, instead.
Fix a bug where siglongjmp would clobber the argument to return from
sigsetjmp.  It would return the value of the signal flag, instead.

Pointy hat to:	jake

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