[gcc/devel/rust/master] Reformat copyright header in rust-parse-impl.h

[Thomas Schwinge <tschwinge@gcc.gnu.org>]

https://gcc.gnu.org/g:fb2fc585fdcc2dd4f3e5ac0c3a895b33e8213c53

commit fb2fc585fdcc2dd4f3e5ac0c3a895b33e8213c53
Author: Philip Herron <philip.herron@embecosm.com>
Date:   Wed Jun 1 09:57:21 2022 +0100

    Reformat copyright header in rust-parse-impl.h

Diff:
---
 gcc/rust/parse/rust-parse-impl.h | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h
index 0641e22eb1c..dfd393e6a2d 100644
--- a/gcc/rust/parse/rust-parse-impl.h
+++ b/gcc/rust/parse/rust-parse-impl.h
@@ -1,18 +1,20 @@
-/* This file is part of GCC.
+// Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
-GCC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
+// This file is part of GCC.
 
-GCC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
 
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3.  If not see
-<http://www.gnu.org/licenses/>. */
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
 
 /* Template implementation for Rust::Parser. Previously in rust-parse.cc (before
  * Parser was template). Separated from rust-parse.h for readability. */