[PATCH v4 1/4] Fix some minor header file irregularities

[Tom Tromey <tromey@adacore.com>]

The script in the next patch noticed some irregularities in some
headers: trailing or leading blank lines, or in one case a missing
copyright header.  This patch fixes these.
---
 gdb/disasm-flags.h |  1 -
 gdb/gdbtypes.h     |  1 -
 gdb/parser-defs.h  |  1 -
 gdb/tracefile.h    | 18 ++++++++++++++++++
 gdb/windows-nat.h  |  1 -
 gdb/xml-tdesc.h    |  1 -
 6 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/gdb/disasm-flags.h b/gdb/disasm-flags.h
index 4f711259453..b2f0ec95b07 100644
--- a/gdb/disasm-flags.h
+++ b/gdb/disasm-flags.h
@@ -38,4 +38,3 @@ enum gdb_disassembly_flag : unsigned
 DEF_ENUM_FLAGS_TYPE (enum gdb_disassembly_flag, gdb_disassembly_flags);
 
 #endif /* DISASM_FLAGS_H */
-
diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h
index f80bd7e071a..55018f2c344 100644
--- a/gdb/gdbtypes.h
+++ b/gdb/gdbtypes.h
@@ -1,4 +1,3 @@
-
 /* Internal type definitions for GDB.
 
    Copyright (C) 1992-2024 Free Software Foundation, Inc.
diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h
index 5d3c1893836..9774a465ee2 100644
--- a/gdb/parser-defs.h
+++ b/gdb/parser-defs.h
@@ -390,4 +390,3 @@ extern bool fits_in_type (int n_sign, const gdb_mpz &n, int type_bits,
 extern void parser_fprintf (FILE *, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
 
 #endif /* PARSER_DEFS_H */
-
diff --git a/gdb/tracefile.h b/gdb/tracefile.h
index 9c7fdea7297..90967eff855 100644
--- a/gdb/tracefile.h
+++ b/gdb/tracefile.h
@@ -1,3 +1,21 @@
+/* Tracefile declarations
+   Copyright (C) 2014-2024 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program 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 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
 #ifndef TRACEFILE_H
 #define TRACEFILE_H 1
 
diff --git a/gdb/windows-nat.h b/gdb/windows-nat.h
index 5422aa064e9..3fbb1ea35df 100644
--- a/gdb/windows-nat.h
+++ b/gdb/windows-nat.h
@@ -37,4 +37,3 @@ extern const int amd64_mappings[];
 #endif
 
 #endif
-
diff --git a/gdb/xml-tdesc.h b/gdb/xml-tdesc.h
index 823dbee0f2d..cd6e79cc24f 100644
--- a/gdb/xml-tdesc.h
+++ b/gdb/xml-tdesc.h
@@ -50,4 +50,3 @@ std::optional<std::string> target_fetch_description_xml (target_ops *ops);
 const struct target_desc *string_read_description_xml (const char *xml);
 
 #endif /* XML_TDESC_H */
-
-- 
2.43.0