fix 617135

core/fxcodec/lgif/fx_gif.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef CORE_FXCODEC_LGIF_FX_GIF_H_
 #define CORE_FXCODEC_LGIF_FX_GIF_H_
 
 #include <setjmp.h>
@@ skipping 273 matching lines @@
 int32_t gif_get_frame(gif_decompress_struct_p gif_ptr);
 int32_t gif_get_frame_num(gif_decompress_struct_p gif_ptr);
 int32_t gif_decode_extension(gif_decompress_struct_p gif_ptr);
 int32_t gif_decode_image_info(gif_decompress_struct_p gif_ptr);
 void gif_takeover_gce_ptr(gif_decompress_struct_p gif_ptr,
                           GifGCE** gce_ptr_ptr);
 int32_t gif_load_frame(gif_decompress_struct_p gif_ptr, int32_t frame_num);
 uint8_t* gif_read_data(gif_decompress_struct_p gif_ptr,
                        uint8_t** des_buf_pp,
                        uint32_t data_size);
+void gif_decoding_failure_at_tail_cleanup(gif_decompress_struct_p gif_ptr,
+                                          GifImage* gif_image_ptr);
 void gif_save_decoding_status(gif_decompress_struct_p gif_ptr, int32_t status);
 void gif_input_buffer(gif_decompress_struct_p gif_ptr,
                       uint8_t* src_buf,
                       uint32_t src_size);
 uint32_t gif_get_avail_input(gif_decompress_struct_p gif_ptr,
                              uint8_t** avail_buf_ptr);
 void interlace_buf(const uint8_t* buf, uint32_t width, uint32_t height);
 FX_BOOL gif_encode(gif_compress_struct_p gif_ptr,
                    uint8_t*& dst_buf,
                    uint32_t& dst_len);
 
 #endif  // CORE_FXCODEC_LGIF_FX_GIF_H_