Resolves: ofz#820 an exception is an acceptable outcome

Change-Id: Ifc5be483387202c371596fd52f1e2ce682151ca8

hwpfilter/source/hwpreader.cxx

@@ -118,6 +118,8 @@ HwpReader::~HwpReader()
 
 extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL TestImportHWP(SvStream &rStream)
 {
+    try
+    {
         std::unique_ptr<HStream> stream(new HStream);
         byte aData[32768];
         std::size_t nRead, nBlock = 32768;
@@ -133,6 +135,11 @@ extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL TestImportHWP(SvStream &rStream)
         HWPFile hwpfile;
         if (hwpfile.ReadHwpFile(stream.release()))
             return false;
+    }
+    catch (...)
+    {
+        return false;
+    }
     return true;
 }
 

lotuswordpro/source/filter/lwpfilter.cxx

@@ -215,13 +215,12 @@ int ReadWordproFile(SvStream &rStream, uno::Reference<css::xml::sax::XDocumentHa
         //Reset all static objects,because this function may be called many times.
         XFGlobalReset();
         reader.Read();
-
-        return 0;
     }
     catch (...)
     {
         return 1;
     }
+    return 0;
 }
 
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