Fix else-after-returns throughout pdfium.

core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp

 // 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
 
 #include "../../../include/fpdfapi/fpdf_parser.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fxcodec/fx_codec.h"
 #include <limits.h>
@@ skipping 293 matching lines @@
         uint8_t* new_buf = NULL;
         FX_DWORD new_size = (FX_DWORD) - 1;
         int offset = -1;
         if (decoder == FX_BSTRC("FlateDecode") || decoder == FX_BSTRC("Fl")) {
             if (bImageAcc && i == DecoderList.GetSize() - 1) {
                 ImageEncoding = FX_BSTRC("FlateDecode");
                 dest_buf = (uint8_t*)last_buf;
                 dest_size = last_size;
                 pImageParms = pParam;
                 return TRUE;
-            } else {
-                offset = FPDFAPI_FlateOrLZWDecode(FALSE, last_buf, last_size, pParam, estimated_size, new_buf, new_size);
             }
+            offset = FPDFAPI_FlateOrLZWDecode(FALSE, last_buf, last_size, pParam, estimated_size, new_buf, new_size);
         } else if (decoder == FX_BSTRC("LZWDecode") || decoder == FX_BSTRC("LZW")) {
             offset = FPDFAPI_FlateOrLZWDecode(TRUE, last_buf, last_size, pParam, estimated_size, new_buf, new_size);
         } else if (decoder == FX_BSTRC("ASCII85Decode") || decoder == FX_BSTRC("A85")) {
             offset = _A85Decode(last_buf, last_size, new_buf, new_size);
         } else if (decoder == FX_BSTRC("ASCIIHexDecode") || decoder == FX_BSTRC("AHx")) {
             offset = _HexDecode(last_buf, last_size, new_buf, new_size);
         } else if (decoder == FX_BSTRC("RunLengthDecode") || decoder == FX_BSTRC("RL")) {
             if (bImageAcc && i == DecoderList.GetSize() - 1) {
                 ImageEncoding = FX_BSTRC("RunLengthDecode");
                 dest_buf = (uint8_t*)last_buf;
@@ skipping 192 matching lines @@
     }
 }
 FX_DWORD FlateDecode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, FX_DWORD& dest_size)
 {
     CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
     if (pEncoders) {
         return pEncoders->GetFlateModule()->FlateOrLZWDecode(FALSE, src_buf, src_size, FALSE, 0, 0, 0, 0, 0, dest_buf, dest_size);
     }
     return 0;
 }