Revert "Remove 'perl-term-gnuplot'."

This reverts commit 71e4c77424d3a7f25d3c4e21fc653b918fafcd32.

This package was necessary for ARM.
perl-term-gnuplot: Switch to ARM-only architectures.

This package is only necessary for ARM.
Fixing arch
Merge branch 'unstable' of https://github.com/adminempire/blackarch into unstable