Fix some inconsistent formatting.

src/scanner.h

Index: src/scanner.h
diff --git a/src/scanner.h b/src/scanner.h
index 56760c3743f71803616d468095efd4ba3fabf6e7..6e5333bce1e5defe347d3f4cac9e3fa51be4e382 100644
--- a/src/scanner.h
+++ b/src/scanner.h
@@ -297,7 +297,7 @@ class Scanner {
   Token::Value Next();
 
   // One token look-ahead (past the token returned by Next()).
-  Token::Value peek() const  { return next_.token; }
+  Token::Value peek() const { return next_.token; }
 
   // Returns true if there was a line terminator before the peek'ed token.
   bool has_line_terminator_before_next() const {
@@ -313,8 +313,8 @@ class Scanner {
 
   // Returns the location information for the current token
   // (the token returned by Next()).
-  Location location() const  { return current_.location; }
-  Location peek_location() const  { return next_.location; }
+  Location location() const { return current_.location; }
+  Location peek_location() const { return next_.location; }
 
   // Returns the literal string, if any, for the current token (the
   // token returned by Next()). The string is 0-terminated and in