configure: Fix help text for the fips module version
* configure.ac: Fix unmatched parenthesis and add more verbose description of the --with-fips-module-version configure option.
- GnuPG-bug-id: T5600
- Fixes-commit: c74fde0c3f6114c594332fb28a09c7b817969231
- Signed-off-by: Jakub Jelen <jjelen@redhat.com>