minor #1076 Update security.md (secalith-code)
minor #1076 Update security.md (secalith-code)

This PR was merged into the 3.4.x-dev branch.

Discussion
----------

semi colon was missing

Commits
-------

72b353383097c4518a184dfbfb43efe75a5601b6 Update security.md

acrobat/php-github-api,KnpLabs/php-github-api