bug#45301: Sed Installation Errors

[Sarah Moreland]

Installation errors incurred on a macOS Big Sur version 11.1:

============================================================================
See gnulib-tests/test-suite.log
Please report to bug-sed@gnu.org
============================================================================
make[6]: *** [test-suite.log] Error 1
make[5]: *** [check-TESTS] Error 2
make[4]: *** [check-am] Error 2
make[3]: *** [check-recursive] Error 1
make[2]: *** [check] Error 2
make[1]: *** [check-recursive] Error 1
make: *** [check] Error 2