* aix386-core.c, aoutf1.h, cisco-core.c, elfcode.h, hppabsd-core.c,

	* aix386-core.c, aoutf1.h, cisco-core.c, elfcode.h, hppabsd-core.c,
	hpux-core.c, irix-core.c, lynx-core.c, osf-core.c, ptrace-core.c,
	rs6000-core.c, trad-core.c:  Remove SEC_ALLOC flag from .reg
	sections, .reg sections are not allocated and contain debug
	information only.
	* osf-core.c (make_bfd_asection, osf_core_core_file_p):  Use
	bfd_make_section_anyway instead of building unique section names.