Bug#880782: sarg build depends on removed libgd2*-dev provides

[Adrian Bunk]

Source: sarg
Version: 2.3.10-2
Severity: serious
Tags: buster sid 

The following packages have unmet dependencies:
 builddeps:sarg : Depends: libgd2-noxpm-dev but it is not installable or
                           libgd2-xpm-dev but it is not installable


Please update the build dependency to libgd-dev.