failed s390x build of libproxy 0.4.11-1

[Debian buildds]

 * Source package: libproxy
 * Version: 0.4.11-1
 * Architecture: s390x
 * State: failed
 * Suite: experimental
 * Builder: zandonai.debian.org
 * Build log: https://buildd.debian.org/fetch.cgi?pkg=libproxy&arch=s390x&ver=0.4.11-1&stamp=1379375046&file=log

Please note that these notifications do not necessarily mean bug reports
in your package but could also be caused by other packages, temporary
uninstallabilities and arch-specific breakages.  A look at the build log
despite this disclaimer would be appreciated however.