branch core-updates updated (83090f6 -> c71011f)

[Leo Famulari]

lfam pushed a change to branch core-updates
in repository guix.

      from  83090f6   gnu: util-linux: Update to 2.29.2.
       new  816417f   gnu: tcsh: Update to 6.20.00.
       new  c71011f   gnu: tcsh: Use modify-phases.

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/local.mk                                       |   1 -
 .../patches/tcsh-do-not-define-BSDWAIT.patch       |  33 ------
 gnu/packages/patches/tcsh-fix-autotest.patch       | 113 ++++++++++-----------
 gnu/packages/shells.scm                            |  62 +++++------
 4 files changed, 83 insertions(+), 126 deletions(-)
 delete mode 100644 gnu/packages/patches/tcsh-do-not-define-BSDWAIT.patch