go1.4: add note about change to bufio.SplitFunc at EOF
go1.4: add note about change to bufio.SplitFunc at EOF

CC=golang-codereviews
https://codereview.appspot.com/159800044

tv42/old-go,tv42/old-go,tv42/old-go,tv42/old-go,tv42/old-go,tv42/old-go,tv42/old-go