bug#33023: configure: GUIX_ASSERT_LIBGCRYPT_USABLE: command not found

[Mark H Weaver]

When building the 'guix' package, or while running ./configure in a git
checkout in an environment created by "guix environment guix", the
following error occurs:

  ./configure: line 8083: GUIX_ASSERT_LIBGCRYPT_USABLE: command not found

You can find the line above in the build logs on Hydra:

  https://hydra.gnu.org/build/3111495
  https://hydra.gnu.org/build/3111495/log/raw

Despite the error, the build eventually succeeds.

      Mark