hppa: Fix g++.dg/modules/bad-mapper-1.C on hpux

2023-11-23  John David Anglin  <danglin@gcc.gnu.org>

gcc/testsuite/ChangeLog:

	* g++.dg/modules/bad-mapper-1.C: Add hppa*-*-hpux* to dg-error
	"-:failed mapper handshake communication" targets.