libxcrypt: Update to version 4.4.38

libxcrypt: Update to version 4.4.38

- Update from version 4.4.36 to 4.4.38
- Update of rootfile not required
- in version 4.4.37 pkg-config was made a dependency for building libxcrypt. This caused
   user(s) a problem when libxcrypt was being built before pkg-config wasw available.
- In version 4.4.38 it was allowed that if pkg-config was not available then the build
   would continue and complete but any installation of .pc files was no longer carried
   out.
- moved pkg-config to before libxcrypt so that the libxcrypt.pc file is installed in the
   build environment and the libcrypt.pc file linked to it, the same as used to occur in
   version 4.4.36
- Changelog
    4.4.38
	* Fix several "-Wunterminated-string-initialization", which are seen by
	  upcoming GCC 15.x (issue #194).
	* Fix "-Wmaybe-uninitialized" in crypt.c, which is seen by GCC 13.3.0.
	* Skip test/explicit-bzero if compiling with ASAN.
	* Drop hard requirement for the pkg-config binary (issue #198).
    4.4.37
	* Several fixes to the manpages (issue #185).
	* Add binary compatibility for x86_64 GNU/Hurd (issue #189).
	* Only test the needed makecontext signature during configure (issue #178).
	* Fix -Werror=strict-overflow in lib/crypt-bcrypt.c, which is seen
	  by GCC 4.8.5 (issue #197).

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