Fix leaked internal font

xfa/fgas/font/fgas_stdfontmgr.cpp

Index: xfa/fgas/font/fgas_stdfontmgr.cpp
diff --git a/xfa/fgas/font/fgas_stdfontmgr.cpp b/xfa/fgas/font/fgas_stdfontmgr.cpp
index 7e5cfbb796541347843c2a775739733963f7db1d..f79ad46e5e1c2c113e4254b1a89a953f622d4cb8 100644
--- a/xfa/fgas/font/fgas_stdfontmgr.cpp
+++ b/xfa/fgas/font/fgas_stdfontmgr.cpp
@@ -850,13 +850,13 @@ CFGAS_GEFont* CFGAS_FontMgrImp::LoadFont(const CFX_WideString& wsFaceName,
     return nullptr;
   }
 
-  CFX_Font* pInternalFont = new CFX_Font();
+  std::unique_ptr<CFX_Font> pInternalFont(new CFX_Font());
   if (!pInternalFont->LoadFile(pFontStream, iFaceIndex)) {
     pFontStream->Release();
     return nullptr;
   }
 
-  CFGAS_GEFont* pFont = CFGAS_GEFont::LoadFont(pInternalFont, this);
+  CFGAS_GEFont* pFont = CFGAS_GEFont::LoadFont(std::move(pInternalFont), this);
   if (!pFont) {
     pFontStream->Release();
     return nullptr;