HBSD: Use rubygem-dbm for fix portupgrade (v2)
We use 'rubygem-dbm' to fix a problem with portupgrade #13 (closed)
Changes from V1:
- fix error deteted by Poudriere and reported by Shawn.
Signed-off-by: Loic loic.f@hardenedbsd.org
Reported-by: Chris C
Reported-by: Shawn Webb shawn.webb@hardenedbsd.org