[PATCH] maint: run 'make update-copyright'

[Collin Funk]

Hi (or hello :-)),

I've attached many patches mostly updating things according to more
modern gnulib & added syntax-checks.

I think most are obvious but feel free to ask for my reasoning for
things. :)

Collin

0001-maint-run-make-update-copyright.patch
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0002-build-update-gnulib-submodule-to-latest.patch
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0003-maint-sync-latest-bootstrap-from-gnulib.patch
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0004-maint-reformat-code-according-to-GNU-coding-standard.patch
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0005-maint-prefer-include-.-for-gnulib-substitute-headers.patch
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0006-maint-don-t-use-the-deprecated-stdnoreturn-module.patch
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0007-maint-copy-fdl.texi-instead-of-using-the-gnulib-modu.patch
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0008-maint-use-mbszero.patch
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0009-maint-remove-the-obsolete-gettext-module.patch
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