add File::Next extension to Perl 5.28.0 easyconfig

[boegel]

No description provided.

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
node3102.skitty.os - Linux centos linux 7.5.1804, Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz, Python 2.7.5
See https://gist.github.com/977a6e433961691b4b73b39e931e4235 for a full test report.

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
node2668.swalot.os - Linux centos linux 7.5.1804, Intel(R) Xeon(R) CPU E5-2660 v3 @ 2.60GHz, Python 2.7.5
See https://gist.github.com/73f64e272e340e6e4eae79f72d9c53bc for a full test report.

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
node2107.delcatty.os - Linux centos linux 7.5.1804, Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz, Python 2.7.5
See https://gist.github.com/862c397a26f48824f936850290d1789f for a full test report.

[migueldiascosta]

Test report by @migueldiascosta
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
grc-cluster1 - Linux centos 6.10, Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz, Python 2.7.14
See https://gist.github.com/19da6c3ee71b0a67711bb1858efc6b88 for a full test report.

[bartoldeman]

Test report by @bartoldeman
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
lg-1r17-n06 - Linux centos 6.6, Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz, Python 2.6.6
See https://gist.github.com/46ceffcb2ed886dd12ebe5903ccb5e18 for a full test report.

[bartoldeman]

lgtm

[bartoldeman]

Going in, thanks @boegel!