Add trivial whitespace to CorruptInputError strings.

R=r, rsc
https://golang.org/cl/161058

src/pkg/encoding/ascii85/ascii85.go

@@ -169,7 +169,7 @@ func (e *encoder) Close() os.Error {
 type CorruptInputError int64
 
 func (e CorruptInputError) String() string {
-	return "illegal ascii85 data at input byte" + strconv.Itoa64(int64(e))
+	return "illegal ascii85 data at input byte " + strconv.Itoa64(int64(e))
 }
 
 // Decode decodes src into dst, returning both the number

src/pkg/encoding/base64/base64.go

@@ -197,7 +197,7 @@ func (enc *Encoding) EncodedLen(n int) int	{ return (n + 2) / 3 * 4 }
 type CorruptInputError int64
 
 func (e CorruptInputError) String() string {
-	return "illegal base64 data at input byte" + strconv.Itoa64(int64(e))
+	return "illegal base64 data at input byte " + strconv.Itoa64(int64(e))
 }
 
 // decode is like Decode but returns an additional 'end' value, which

src/pkg/encoding/git85/git.go

@@ -16,7 +16,7 @@ import (
 type CorruptInputError int64
 
 func (e CorruptInputError) String() string {
-	return "illegal git85 data at input byte" + strconv.Itoa64(int64(e))
+	return "illegal git85 data at input byte " + strconv.Itoa64(int64(e))
 }
 
 const encode = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~"