doc/htmlgen.go: remove unnecessary semicolons
doc/htmlgen.go: remove unnecessary semicolons

R=rsc
CC=golang-dev
http://codereview.appspot.com/589043

Committer: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>

h8liu/golang,tv42/old-go,tianon/debian-golang,tv42/old-go,apparentlymart/golang,h8liu/golang,pombredanne/go-deleteme,apparentlymart/golang,apparentlymart/golang,h8liu/golang,bdwalton/debian-golang,nightlyone/golang,pombredanne/go-deleteme,nightlyone/golang,dsriram/golang,ssrl/go,tv42/old-go,tianon/debian-golang,ssrl/go,tv42/old-go,bdwalton/debian-golang,bdwalton/debian-golang,apparentlymart/golang,bdwalton/debian-golang,pombredanne/go-deleteme,gnanderson/go,h8liu/golang,ssrl/go,ssrl/go,tianon/debian-golang,pombredanne/go-deleteme,nightlyone/golang,h8liu/golang,bdwalton/debian-golang,dsriram/golang,h8liu/golang,tianon/debian-golang,gnanderson/go,apparentlymart/golang,bdwalton/debian-golang,nightlyone/golang,tianon/debian-golang,gnanderson/go,ssrl/go,tianon/debian-golang,tianon/debian-golang,tv42/old-go,gnanderson/go,dsriram/golang,h8liu/golang,dsriram/golang,gnanderson/go,tv42/old-go,apparentlymart/golang,nightlyone/golang,gnanderson/go,tv42/old-go,ssrl/go,nightlyone/golang,dsriram/golang,bdwalton/debian-golang,gnanderson/go,dsriram/golang,ssrl/go,bdwalton/debian-golang,pombredanne/go-deleteme,apparentlymart/golang,dsriram/golang,pombredanne/go-deleteme,nightlyone/golang,tianon/debian-golang,pombredanne/go-deleteme