--- a/mozilla-check_return.patch	Sun Feb 12 08:57:22 2017 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,79 +0,0 @@
-# HG changeset patch
-# User Wolfgang Rosenauer <wr@rosenauer.org>
-# Parent  5f8b5e8163ece92dc819896dd52b9dbf5f524fe3
-
-diff --git a/media/libstagefright/binding/include/mp4_demuxer/ByteWriter.h b/media/libstagefright/binding/include/mp4_demuxer/ByteWriter.h
---- a/media/libstagefright/binding/include/mp4_demuxer/ByteWriter.h
-+++ b/media/libstagefright/binding/include/mp4_demuxer/ByteWriter.h
-@@ -19,57 +19,64 @@ public:
-   {
-   }
-   ~ByteWriter()
-   {
-   }
- 
-   void WriteU8(uint8_t aByte)
-   {
--    mPtr.append(aByte);
-+    bool rv;
-+    rv = mPtr.append(aByte);
-   }
- 
-   void WriteU16(uint16_t aShort)
-   {
-     uint8_t c[2];
-+    bool rv;
-     mozilla::BigEndian::writeUint16(&c[0], aShort);
--    mPtr.append(&c[0], 2);
-+    rv = mPtr.append(&c[0], 2);
-   }
- 
-   void WriteU32(uint32_t aLong)
-   {
-     uint8_t c[4];
-+    bool rv;
-     mozilla::BigEndian::writeUint32(&c[0], aLong);
--    mPtr.append(&c[0], 4);
-+    rv = mPtr.append(&c[0], 4);
-   }
- 
-   void Write32(int32_t aLong)
-   {
-     uint8_t c[4];
-+    bool rv;
-     mozilla::BigEndian::writeInt32(&c[0], aLong);
--    mPtr.append(&c[0], 4);
-+    rv = mPtr.append(&c[0], 4);
-   }
- 
-   void WriteU64(uint64_t aLongLong)
-   {
-     uint8_t c[8];
-+    bool rv;
-     mozilla::BigEndian::writeUint64(&c[0], aLongLong);
--    mPtr.append(&c[0], 8);
-+    rv = mPtr.append(&c[0], 8);
-   }
- 
-   void Write64(int64_t aLongLong)
-   {
-     uint8_t c[8];
-+    bool rv;
-     mozilla::BigEndian::writeInt64(&c[0], aLongLong);
--    mPtr.append(&c[0], 8);
-+    rv = mPtr.append(&c[0], 8);
-   }
- 
-   void Write(const uint8_t* aSrc, size_t aCount)
-   {
--    mPtr.append(aSrc, aCount);
-+    bool rv;
-+    rv = mPtr.append(aSrc, aCount);
-   }
- 
- private:
-   mozilla::Vector<uint8_t>& mPtr;
- };
- }
- 
- #endif