Bundled libwebp updated to version 0.6.0

This commit imports libwebp 0.6.0, including AUTHORS, COPYING, ChangeLog,
NEWS, PATENTS, README and src directories. In src, only includes header
and source files.

Upstream changes since 0.5.1 have been merged in.
Also updated version in qt_attribution.json.

Conflicts:
	src/3rdparty/libwebp.pri
	src/3rdparty/libwebp/qt_attribution.json
	src/3rdparty/libwebp/src/webp/config.h

Change-Id: I001aa7a3fabf0130b54f9005c23aa822bc1d0ec1
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>

1 files changed, 8 insertions, 8 deletions

diff --git a/src/3rdparty/libwebp/src/webp/decode.h b/src/3rdparty/libwebp/src/webp/decode.h
index 7a3bed9..4c5e74a 100644
--- a/src/3rdparty/libwebp/src/webp/decode.h
+++ b/src/3rdparty/libwebp/src/webp/decode.h
@@ -248,19 +248,19 @@ typedef enum VP8StatusCode {
 // picture is only partially decoded, pending additional input.
 // Code example:
 //
-//   WebPInitDecBuffer(&buffer);
-//   buffer.colorspace = mode;
+//   WebPInitDecBuffer(&output_buffer);
+//   output_buffer.colorspace = mode;
 //   ...
-//   WebPIDecoder* idec = WebPINewDecoder(&buffer);
-//   while (has_more_data) {
-//     // ... (get additional data)
+//   WebPIDecoder* idec = WebPINewDecoder(&output_buffer);
+//   while (additional_data_is_available) {
+//     // ... (get additional data in some new_data[] buffer)
 //     status = WebPIAppend(idec, new_data, new_data_size);
-//     if (status != VP8_STATUS_SUSPENDED ||
-//       break;
+//     if (status != VP8_STATUS_OK && status != VP8_STATUS_SUSPENDED) {
+//       break;    // an error occurred.
 //     }
 //
 //     // The above call decodes the current available buffer.
-//     // Part of the image can now be refreshed by calling to
+//     // Part of the image can now be refreshed by calling
 //     // WebPIDecGetRGB()/WebPIDecGetYUVA() etc.
 //   }
 //   WebPIDelete(idec);