In zs_abort, wrap a #ifdef DDB around a Debugger() invocation.  Point out by Chris Jones In NetBSD PR#port-mac68k/3739 (I believe).  Also, remove a comment that this change obsoletes.
In zs_abort, wrap a #ifdef DDB around a Debugger() invocation.  Point out by
Chris Jones In NetBSD PR#port-mac68k/3739 (I believe).  Also, remove a comment
that this change obsoletes.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars