coverity#706261 Uncaught exception

Change-Id: Ife4d1e828cc2b52c54e425ec7af533ebdacd0f1e

chart2/source/inc/OPropertySet.hxx

@@ -66,7 +66,8 @@ protected:
         may throw an UnknownPropertyException.
      */
     virtual ::com::sun::star::uno::Any GetDefaultValue( sal_Int32 nHandle ) const
-        throw(::com::sun::star::beans::UnknownPropertyException) = 0;
+        throw (css::beans::UnknownPropertyException,
+               css::uno::RuntimeException) = 0;
 
     /** The InfoHelper table contains all property names and types of
         this object.

chart2/source/model/main/Axis.cxx

@@ -591,7 +591,7 @@ void Axis::fireModifyEvent()
 
 // ____ OPropertySet ____
 uno::Any Axis::GetDefaultValue( sal_Int32 nHandle ) const
-    throw(beans::UnknownPropertyException)
+    throw (beans::UnknownPropertyException, uno::RuntimeException)
 {
     const tPropertyValueMap& rStaticDefaults = *StaticAxisDefaults::get();
     tPropertyValueMap::const_iterator aFound( rStaticDefaults.find( nHandle ) );

chart2/source/model/main/Axis.hxx

@@ -77,7 +77,8 @@ protected:
 
     // ____ OPropertySet ____
     virtual ::com::sun::star::uno::Any GetDefaultValue( sal_Int32 nHandle ) const
-        throw(::com::sun::star::beans::UnknownPropertyException) SAL_OVERRIDE;
+        throw (css::beans::UnknownPropertyException,
+               css::uno::RuntimeException) SAL_OVERRIDE;
 
     // ____ OPropertySet ____
     virtual ::cppu::IPropertyArrayHelper & SAL_CALL getInfoHelper() SAL_OVERRIDE;