coverity#1374281 Uncaught exception

Change-Id: Iaffb4b67c67b5877a5a53d9ae81927b28883fc56

forms/source/component/spinbutton.cxx

@@ -127,7 +127,7 @@ namespace frm
 
     sal_Bool OSpinButtonModel::convertFastPropertyValue(
                 Any& _rConvertedValue, Any& _rOldValue, sal_Int32 _nHandle, const Any& _rValue )
-                throw ( IllegalArgumentException )
+                throw ( IllegalArgumentException, RuntimeException, std::exception )
     {
         bool bModified( false );
         switch ( _nHandle )

forms/source/component/spinbutton.hxx

@@ -59,7 +59,7 @@ namespace frm
         virtual void SAL_CALL setFastPropertyValue_NoBroadcast( sal_Int32 _nHandle, const css::uno::Any& _rValue )
             throw ( css::uno::Exception, std::exception ) override;
         virtual sal_Bool SAL_CALL convertFastPropertyValue( css::uno::Any& _rConvertedValue, css::uno::Any& _rOldValue, sal_Int32 _nHandle, const css::uno::Any& _rValue )
-            throw ( css::lang::IllegalArgumentException ) override;
+            throw ( css::lang::IllegalArgumentException, css::uno::RuntimeException, std::exception ) override;
 
         // OBoundControlModel
         virtual css::uno::Any   translateDbColumnToControlValue( ) override;