all: make copyright headers consistent with one space after period

Continuation of CL 20111.

Change-Id: Ie2f62237e6ec316989c021de9b267cc9d6ee6676
Reviewed-on: https://go-review.googlesource.com/32830Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/bytes/bytes_amd64.go

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/bytes/bytes_generic.go

-// Copyright 2015 The Go Authors.  All rights reserved.
+// Copyright 2015 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/cmp.bash

 #!/usr/bin/env bash
 
-# Copyright 2016 The Go Authors.  All rights reserved.
+# Copyright 2016 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
 

src/crypto/sha1/sha1block_amd64.go

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/crypto/sha256/sha256block_amd64.s

-// Copyright 2013 The Go Authors.  All rights reserved.
+// Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/crypto/sha256/sha256block_ppc64le.s

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/debug/pe/string.go

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/internal/syscall/windows/mksyscall.go

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/internal/syscall/windows/registry/mksyscall.go

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/runtime/cgo/asm_mips64x.s

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/runtime/cgo/gcc_context.c

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/runtime/cgo/gcc_linux_mips64x.c

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/runtime/cgo/gcc_mips64x.S

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/runtime/cgo/gcc_s390x.S

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/runtime/testdata/testprogcgo/pprof.go

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 

src/runtime/testdata/testprogcgo/threadpprof.go

-// Copyright 2016 The Go Authors.  All rights reserved.
+// Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.