Fix gnome option.

This is related to PR pkg/47801.
But devel/xulrunner is broken now.
Update to 17.0.6

Changelog:
FIXED
Security fixes can be found here

Fixed in Firefox ESR 17.0.6
MFSA 2013-48 Memory corruption found using Address Sanitizer
MFSA 2013-47 Uninitialized functions in DOMSVGZoomEvent
MFSA 2013-46 Use-after-free with video and onresize event
MFSA 2013-44 Local privilege escalation through Mozilla Maintenance Service
MFSA 2013-42 Privileged access for content level constructor
MFSA 2013-41 Miscellaneous memory safety hazards (rv:21.0 / rv:17.0.6)
Update to 21.0.

* Reset PKGREVISION.
Update xulrunner/firefox to 17.0.6.
Update to 17.0.6

* Sync with firefox-17.0.6
Updated www/firefox17-l10n to 17.0.6
Update to 7.0.40

Changelog:
Tomcat 7.0.40 Released	2013-05-09

    The Apache Tomcat Project is proud to announce the release of version 7.0.40 of Apache Tomcat. This release contains a security fix and a number of bug fixes and improvements compared to version 7.0.39. The notable changes include:

        A fix for CVE-2013-2071 (bug 54178) an information disclosure issue.
        Various fixes to stop Tomcat attempting to parse text that looks like an EL expression in a JSP document as an EL expression when EL expressions are either not permitted or not enabled.
        Improved handling and reporting if a ConcurrentModificationException occurs while checking for memory leaks when a web application is being stopped.
Updated www/apache-tomcat7 to 7.0.40
Bump package revision. This package is completely broken under Mac OS X
without a fix committed at 2013-05-13 by Adam Ciarcinski.