fails to build from source

libindicate fails to build from source in Ubuntu Saucy:

mkdir /«PKGBUILDDIR»/./docs/reference/html
mkhtml_options=""; \
 gtkdoc-mkhtml 2>&1 --help | grep >/dev/null "\-\-path"; \
 if test "sgml.stamp /«PKGBUILDDIR»/./docs/reference/libindicate-docs.sgml version.xml" = "0"; then \
   mkhtml_options=--path="/«PKGBUILDDIR»/./docs/reference"; \
 fi
cd /«PKGBUILDDIR»/./docs/reference/html && gtkdoc-mkhtml libindicate ../libindicate-docs.sgml
warning: failed to load external entity "../xml/indicator-message.xml"
../libindicate-docs.sgml:18: element include: XInclude error : could not load ../xml/indicator-message.xml, and no fallback was found
make[4]: *** [html-build.stamp] Error 6

Full build log attached.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: libindicate-doc (not installed)
ProcVersionSignature: Ubuntu 3.9.0-2.7-generic 3.9.3
Uname: Linux 3.9.0-2-generic x86_64
ApportVersion: 2.10.2-0ubuntu1
Architecture: amd64
Date: Thu May 30 20:30:48 2013
MarkForUpload: True
SourcePackage: libindicate
UpgradeStatus: Upgraded to saucy on 2013-05-07 (23 days ago)