Add a patched version of gtkdatabox in order to compile with recent gtk
versions.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>sci</herd>
<maintainer>
<email>kleiner_otti@gmx.de</email>
</maintainer>
</pkgmetadata>