xfce4-smartpm-plugin version 0.4.0-0ubuntu4 failed to build in oneiric

xfce4-smartpm-plugin version 0.4.0-0ubuntu4 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2715318

Details about the rebuild:
http://people.ubuntuwire.org/~wgrant/rebuild-ftbfs-test/test-rebuild-20110816-oneiric.html

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2715318/+files/buildlog_ubuntu-oneiric-amd64.xfce4-smartpm-plugin_0.4.0-0ubuntu4_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1358 lines into the build log:

xfcesmart.c: In function 'smart_show_notification':
xfcesmart.c:853:5: error: too many arguments to function 'notify_notification_new'
/usr/include/libnotify/notification.h:114:21: note: declared here
xfcesmart.c: In function 'smart_new':
xfcesmart.c:1135:19: warning: variable 'orientation' set but not used [-Wunused-but-set-variable]
xfcesmart.c: In function 'smart_about':
xfcesmart.c:1631:3: warning: 'xfce_about_dialog_new' is deprecated (declared at /usr/include/xfce4/libxfcegui4/xfce_aboutdialog.h:110) [-Wdeprecated-declarations]
make[3]: *** [xfce4_smartpm_plugin-xfcesmart.o] Error 1
make[3]: Leaving directory `/build/buildd/xfce4-smartpm-plugin-0.4.0/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/xfce4-smartpm-plugin-0.4.0'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/xfce4-smartpm-plugin-0.4.0'
make: *** [debian/stamp-makefile-build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110824-1107
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/xfce4-smartpm-plugin-0.4.0