Fix breaker when compiled with DEBUG=yes

(cherry picked from commit 07c6343b)

Conflicts:
	odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXml.cxx

Change-Id: I75278282efc80f3e9c31c413842392030beeb265

odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXml.cxx

@@ -178,7 +178,7 @@ sal_Bool XFlatXml::importer(
     catch( Exception &exc)
     {
         // something went wrong
-        OSL_FAIL(exc.Message);
+        OSL_FAIL(rtl::OUStringToOString(exc.Message,RTL_TEXTENCODING_UTF8).getStr());
         return sal_False;
     }