Policykit-0.7 fails

[Scott D Friedemann]

Running 7.0 RELEASE

After refreshing ports tree, running
	portmaster -a
bombs out on /sysutils/policykit with this error

gmake[3]: Entering directory 
`/usr/ports/sysutils/policykit/work/PolicyKit-0.7/doc/man'
/usr/local/bin/xsltproc -nonet 
http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl 
polkit-action.xml
I/O error : Attempt to load network entity 
http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
warning: failed to load external entity 
"http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
cannot parse 
http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
gmake[3]: *** [polkit-action.1] Error 4
gmake[3]: Leaving directory 
`/usr/ports/sysutils/policykit/work/PolicyKit-0.7/doc/man'
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory 
`/usr/ports/sysutils/policykit/work/PolicyKit-0.7/doc'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory 
`/usr/ports/sysutils/policykit/work/PolicyKit-0.7'
gmake: *** [all] Error 2
*** Error code 2

I tried removing the   -nonet   option without benefit.

I'm puzzled as to why this won't build.

Scott