Mark BROKEN: fails to build

Making all in src
gmake[3]: Entering directory '/wrkdirs/usr/ports/www/varnish-libvmod-header/work/libvmod-header-e87ac92/src'
/usr/local/share/varnish/vmodtool.py ../src/vmod_header.vcc
ERROR: Format error reading "../src/vmod_header.vcc": 'Unknown keyword: $Init'
Makefile:678: recipe for target 'vcc_if.c' failed

Reported by: pkg-fallout