REGRESSION (r139071): run-webkit-httpd complains at launch
https://bugs.webkit.org/show_bug.cgi?id=107310

Reviewed by Alexey Proskuryakov.

* Scripts/webkitperl/httpd.pm:
(getApacheVersion): use preferred perl syntax


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140224 268f45cc-cd09-0410-ab3c-d52691b4dbfc