Fix executable_for_core for non-dwfl_standard_argp

Fix executable_for_core for non-dwfl_standard_argp

./
2013-10-30  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* NEWS (Version 0.158): New.

libdw/
2013-10-30  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* libdw.map (ELFUTILS_0.158): New.

libdwfl/
2013-10-30  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* argp-std.c (parse_opt): Use executable parameter of
	dwfl_core_file_report.
	* core-file.c (dwfl_core_file_report): Add parameter executable.  Set
	it to DWFL.  Add NEW_VERSION for it.
	(_compat_without_executable_dwfl_core_file_report): New.  Twice.
	* libdwfl.h (dwfl_core_file_report): Add parameter executable, update
	the function comment.

Signed-off-by: Jan Kratochvil <jan.kratochvil@redhat.com>