elfutils: Update to version 0.186

elfutils: Update to version 0.186

- Update from 0.185 to 0.186
- Update of rootfile
- find-dependencies with old libs did not report any issues
- Changelog
    2021-11-10  Mark Wielaard  <mark@klomp.org>
	* configure.ac (AC_INIT): Set version to 0.186.
	* NEWS: Add translation item.
    2021-09-03  John Mellor-Crummey <johnmc@rice.edu>
	* NEWS: Read inlining info in NVIDIA extended line map
    2021-08-10  Adrian Ratiu  <adrian.ratiu@collabora.com>
	* configure.ac (AC_CACHE_CHECK): Rework std=gnu99 check to allow clang.
    2021-08-20  Saleem Abdulrasool  <abdulras@google.com>
	* Add AC_CHECK_HEADERS for error.h and err.h.
    2021-07-28  Mark Wielaard  <mark@klomp.org>
	* configure.ac (AC_CHECK_DECLS): Add reallocarray check.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Michael Tremer <michael.tremer@ipfire.org>