Bug#806906: libgsl.so.0 => not found

[Max Kellermann]

Package: qgis
Version: 2.8.3+dfsg-5

The georef plugin is unusable due to broken dependencies:

ldd /usr/lib/qgis/plugins/libgeorefplugin.so
[...]
        libgsl.so.0 => not found

The package depends on libgsl2 and conflicts libgsl0ldbl.