File mozilla-nullptr-gcc45.patch of Package firefox31esr

# HG changeset patch
# Parent c7f2d830f66744f9da21b93f80017d28b5fba9a0
# User Wolfgang Rosenauer <wr@rosenauer.org>
Bug 1044581 - compilation error: bit_reader.cc:12:3: error: 'nullptr' was not declared in this scope

diff --git a/content/media/fmp4/demuxer/bit_reader.cc b/content/media/fmp4/demuxer/bit_reader.cc
--- a/content/media/fmp4/demuxer/bit_reader.cc
+++ b/content/media/fmp4/demuxer/bit_reader.cc
@@ -1,12 +1,13 @@
 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "nullptr.h"
 #include "mp4_demuxer/bit_reader.h"
 #include <algorithm>
 
 namespace mp4_demuxer {
 
 BitReader::BitReader(const uint8_t* data, off_t size)
     : data_(data), bytes_left_(size), num_remaining_bits_in_curr_byte_(0) {
   DCHECK(data_ != nullptr && bytes_left_ > 0);
diff --git a/content/media/fmp4/moz.build b/content/media/fmp4/moz.build
--- a/content/media/fmp4/moz.build
+++ b/content/media/fmp4/moz.build
@@ -2,16 +2,17 @@
 # vim: set filetype=python:
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 EXPORTS += [
     'MP4Decoder.h',
     'MP4Reader.h',
+    'nullptr.h',
     'PlatformDecoderModule.h',
 ]
 
 EXPORTS.mp4_demuxer += [
     'demuxer/aac.h',
     'demuxer/audio_decoder_config.h',
     'demuxer/avc.h',
     'demuxer/basictypes.h',
diff --git a/content/media/fmp4/nullptr.h b/content/media/fmp4/nullptr.h
new file mode 100644
--- /dev/null
+++ b/content/media/fmp4/nullptr.h
@@ -0,0 +1,7 @@
+
+// GCC does not understand nullptr until 4.6
+#if defined(__GNUC__) && !defined(__clang__)
+#if __GNUC__ * 100 + __GNUC_MINOR__ < 406
+#define nullptr __null
+#endif
+#endif