[Debian GNUstep maintainers] Bug#1086562: gnustep-gui: Please build-depend on imagemagick 7

[Yavor Doganov]

Control: tags -1 + pending

Samuel Thibault wrote:
> Source: gnustep-gui
> Version: 0.31.1-5
> Severity: serious
> 
> We are migrating to imagemagick 7 but gnustep-gui explicitly
> build-depends on libmagickcore-6.q16-dev, thus preventing the migration.
> Could you bump the dependency to libmagickcore-7.q16-dev ?

Sure.  FWIW, I switched to the explicit B-D due to #1076560.