Fix stdbool.h to actually work as advertised.
Fix stdbool.h to actually work as advertised.

PR:		22936
Submitted by:	Donald J. Maddox <Donald.J.Maddox@cae88-102-101.sc.rr.com>
		bde

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