Build broken - port sun2

[Paul Goyette <paul%whooppee.com@localhost>]

With sources updated on 2014-05-25 at 21:43:40 UTC

#      link  md/h_mdserv
/build/netbsd-local/tools/x86_64/sun2/bin/m68010--netbsdelf-gcc    --sysroot=/build/netbsd-local/dest/sun2     -o h_mdserv  h_mdserv.o  -Wl,-rpath-link,/build/netbsd-local/dest/sun2/lib  -L=/lib -lrumpdev_md -lrumpdev_disk -lrumpdev -lrumpvfs -lrump -lrumpuser -lpthread 
/build/netbsd-local/dest/sun2/usr/lib/librumpuser.a(rumpuser_sp.o):(.text+0xae6): undefined reference to `rump_pub_lwproc_switch'
collect2: ld returned 1 exit status
*** [h_mdserv] Error code 1


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