net/libproxy-mozjs ISSUE Found libxul-10.0.12, but you need to upgrade to libxul<2

[awarecons]

FreeBSD xxx 9.0-RELEASE-p5 FreeBSD 9.0-RELEASE-p5 #3: Sat Dec 29
20:04:22 MSK 2012     root at xxx:/sys/i386/compile/GENERIC  i386

...
 libproxy is using libxul19 for gecko support, but you can
 change that by defining WITH_GECKO to the following values:

   libxul19

===>  Extracting for libproxy-mozjs-0.4.6_2
=> SHA256 Checksum OK for libproxy-0.4.6.tar.gz.
===>  Patching for libproxy-mozjs-0.4.6_2
===>  Applying FreeBSD patches for libproxy-mozjs-0.4.6_2
===>   libproxy-mozjs-0.4.6_2 depends on package: libxul<2 - not found
===>   Found libxul-10.0.12, but you need to upgrade to libxul<2.
*** Error code 1

Stop in /usr/ports/net/libproxy-mozjs.

In Makefile USE_GECKO=<---->libxul19 should be changed for libxul