Fix and enable lint checks.

core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.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 <limits.h>
 
 #include "core/include/fpdfapi/fpdf_module.h"
 #include "core/include/fpdfapi/fpdf_page.h"
@@ skipping 454 matching lines @@
     int32_t iMid = (iStart + iEnd) / 2;
     const FX_LANG2CS& charset = gs_FXLang2CharsetTable[iMid];
     if (uCode == charset.uLang) {
       return charset.uCharset;
     }
     if (uCode < charset.uLang) {
       iEnd = iMid - 1;
     } else {
       iStart = iMid + 1;
     }
-  };
+  }
   return 0;
 }
 static FX_WORD FX_GetCharsetFromLang(const FX_CHAR* pLang, int32_t iLength) {
   FXSYS_assert(pLang);
   if (iLength < 0) {
     iLength = FXSYS_strlen(pLang);
   }
   uint32_t uHash = FX_GetLangHashCode(pLang);
   return FX_GetCsFromLangCode(uHash);
 }
@@ skipping 655 matching lines @@
 void FPDFAPI_FlatPageAttr(CPDF_Dictionary* pPageDict,
                           const CFX_ByteStringC& name) {
   if (pPageDict->KeyExist(name)) {
     return;
   }
   CPDF_Object* pObj = FPDFAPI_GetPageAttr(pPageDict, name);
   if (pObj) {
     pPageDict->SetAt(name, pObj->Clone());
   }
 }