Add missing 'return' keyword.

core/src/fxge/ge/fx_ge_fontmap.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>
 
 #include "../../../include/fxge/fx_ge.h"
 #include "../../../include/fxge/fx_freetype.h"
@@ skipping 519 matching lines @@
         return CFX_ByteString();
       }
       buffer.ReleaseBuffer(size);
       return buffer;
     }
   }
   return CFX_ByteString();
 }
 CFX_ByteString CFX_FontMapper::GetPSNameFromTT(void* hFont) {
   if (m_pFontInfo == NULL) {
-    CFX_ByteString();
+    return CFX_ByteString();
   }
   CFX_ByteString result;
   FX_DWORD size = m_pFontInfo->GetFontData(hFont, 0x6e616d65, NULL, 0);
   if (size) {
     uint8_t* buffer = FX_Alloc(uint8_t, size);
     m_pFontInfo->GetFontData(hFont, 0x6e616d65, buffer, size);
     result = GetNameFromTT(buffer, 6);
     FX_Free(buffer);
   }
   return result;
@@ skipping 913 matching lines @@
   if (hFont == NULL) {
     return FALSE;
   }
   CFX_FontFaceInfo* pFont = (CFX_FontFaceInfo*)hFont;
   name = pFont->m_FaceName;
   return TRUE;
 }
 FX_BOOL CFX_FolderFontInfo::GetFontCharset(void* hFont, int& charset) {
   return FALSE;
 }