gnome-disk-fail

make[3]: Entering directory '/usr/src/slapt-src/system/gnome-disk-utility/gnome-disk-utility-3.6.1/doc/man'
/usr/bin/xsltproc -nonet http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl gnome-disks.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
Makefile:551: recipe for target 'gnome-disks.1' failed
make[3]: *** [gnome-disks.1] Error 4
make[3]: Leaving directory '/usr/src/slapt-src/system/gnome-disk-utility/gnome-disk-utility-3.6.1/doc/man'
Makefile:342: recipe for target 'all-recursive' failed
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory '/usr/src/slapt-src/system/gnome-disk-utility/gnome-disk-utility-3.6.1/doc'
Makefile:387: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/usr/src/slapt-src/system/gnome-disk-utility/gnome-disk-utility-3.6.1'
Makefile:318: recipe for target 'all' failed
make: *** [all] Error 2
fakeroot -- sh gnome-disk-utility.SlackBuild Failed