all: make copyright headers consistent with one space after period

Go policy has been single space after periods in comments for some time.

The copyright header template at:

also uses a single space.

Make them all consistent.

This CL was generated with:

	perl -i -npe 's,^(// Copyright [0-9]+ The Go Authors\.)  (All rights reserved\.)$,$1 $2,' $(git grep -l -E '^// Copyright [0-9]+ The Go Authors\.  All rights reserved\.$')


Change-Id: I66671dddf821f5dc027bc254e0196b3e3a2bdf3b
Reviewed-by: Brad Fitzpatrick <>
88 files changed