After todays introduction of disklabel_mbr.h and associated clean-up,
some cleanup still needs to be made on mac68k. I get the following 
errors, even after adding the inclusion of disklabel_mbr.h to
disksubr.c:

cc  -O2 -Werror -Wall -Wstrict-prototypes -Wmissing-prototypes  -Wpointer-arith -Wno-main -msoft-float -I. -I../../../../arch -I../../../.. -nostdinc -DHZ="0x3c" -DNKMEMCLUSTERS="0x800" -DNMBCLUSTERS="0x400" -DM68040 -DFPSP -DMAXUSERS=16 -D_KERNEL -Dmac68k  -c ../../../../arch/mac68k/mac68k/disksubr.c
../../../../arch/mac68k/mac68k/disksubr.c: In function `read_dos_label':
../../../../arch/mac68k/mac68k/disksubr.c:512: structure has no member named `dp_typ'
../../../../arch/mac68k/mac68k/disksubr.c:519: structure has no member named `dp_start'
../../../../arch/mac68k/mac68k/disksubr.c:520: structure has no member named `dp_size'
../../../../arch/mac68k/mac68k/disksubr.c:523: structure has no member named `dp_typ'
../../../../arch/mac68k/mac68k/disksubr.c: In function `readdisklabel':
../../../../arch/mac68k/mac68k/disksubr.c:587: `MBRSIG' undeclared (first use in this function)
../../../../arch/mac68k/mac68k/disksubr.c:587: (Each undeclared identifier is reported only once
../../../../arch/mac68k/mac68k/disksubr.c:587: for each function it appears in.)
*** Error code 1


- Erik Bertelsen