gob: export fields in structs in the package documentation.
gob: export fields in structs in the package documentation.

R=r
CC=golang-dev
http://codereview.appspot.com/4648075

pombredanne/go-deleteme,apparentlymart/golang,dsriram/golang,tv42/old-go,tv42/old-go,dsriram/golang,pombredanne/go-deleteme,dsriram/golang,dsriram/golang,dsriram/golang,ssrl/go,apparentlymart/golang,gnanderson/go,apparentlymart/golang,apparentlymart/golang,dsriram/golang,apparentlymart/golang,pombredanne/go-deleteme,tv42/old-go,gnanderson/go,gnanderson/go,tv42/old-go,ssrl/go,pombredanne/go-deleteme,ssrl/go,gnanderson/go,pombredanne/go-deleteme,dsriram/golang,tv42/old-go,pombredanne/go-deleteme,apparentlymart/golang,apparentlymart/golang,pombredanne/go-deleteme,ssrl/go,ssrl/go,gnanderson/go,ssrl/go,tv42/old-go,tv42/old-go,gnanderson/go,ssrl/go,gnanderson/go