coverity#1308433 Uncaught exception

Change-Id: I32750eebbcd5a54d3767d77f4f4b8c54c0888078

xmloff/source/forms/elementexport.cxx

@@ -314,7 +314,7 @@ namespace xmloff
         exportOuterAttributes();
     }
 
-    void OControlExport::exportSubTags() throw (Exception)
+    void OControlExport::exportSubTags() throw (Exception, std::exception)
     {
         // for the upcoming exportRemainingProperties:
         // if a control has the LabelControl property, this is not stored with the control itself, but instead with

xmloff/source/forms/elementexport.hxx

@@ -149,7 +149,7 @@ namespace xmloff
 
         /** writes everything which needs to be represented as sub tag
         */
-        void exportSubTags() throw (::com::sun::star::uno::Exception) SAL_OVERRIDE;
+        void exportSubTags() throw (css::uno::Exception, std::exception) SAL_OVERRIDE;
 
         /** adds the attributes which are handled via generic IPropertyHandlers