I'm afraid that the NMU does not do the right thing. The bug report stated
Please replace the Build-Depends on gs-common to a Build-Depends on ghostscript.
The NMU drops the build dependency. Cheers, Martin -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org