6932358 installgrub needs to support extended partitions without forcing the use of the -m option

[jan.setje-eil...@sun.com]

Author: Jan Setje-Eilers <Jan.Setje-Eilers at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: e86ade1407164589f826cfe3cde966f52f495df1
Total changesets: 1
Log message:
6932358 installgrub needs to support extended partitions without forcing the 
use of the -m option

Files:
        update: usr/src/cmd/boot/installgrub/installgrub.c
        update: usr/src/cmd/boot/installgrub/message.h