cobol: Correct diagnostic strings for 32-bit builds.

cobol: Correct diagnostic strings for 32-bit builds.

Avoid %z for printf-family.  Cast pid_t to long.  Avoid use of YYUNDEF
for old Bison versions.

	PR cobol/120621

gcc/cobol/ChangeLog:

	* genapi.cc (parser_compile_ecs): Cast argument to unsigned long.
	(parser_compile_dcls): Same.
	(parser_division): RAII.
	(inspect_tally): Cast argument to unsigned long.
	* lexio.cc (cdftext::lex_open): Cast pid_t to long.
	* parse.y: hard-code values for old versions of Bison, and message format.
	* scan_ante.h (wait_for_the_child): Cast pid_t to long.