coverity#1267693 Uncaught exception

Change-Id: Id6ed00e9c23cf0cd48ead203e772450680687762

editeng/source/accessibility/AccessibleEditableTextPara.cxx

@@ -2560,7 +2560,8 @@ namespace accessibility
     uno::Sequence< beans::PropertyValue > SAL_CALL AccessibleEditableTextPara::getRunAttributes(
             sal_Int32 nIndex,
             const uno::Sequence< OUString >& rRequestedAttributes )
-        throw (lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception)
+        throw (beans::UnknownPropertyException, lang::IndexOutOfBoundsException,
+               uno::RuntimeException, std::exception)
     {
 
         SolarMutexGuard aGuard;

include/editeng/AccessibleEditableTextPara.hxx

@@ -148,7 +148,7 @@ namespace accessibility
 
         // XAccessibleTextAttributes
         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL getDefaultAttributes( const ::com::sun::star::uno::Sequence< OUString >& RequestedAttributes ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
-        virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL getRunAttributes( ::sal_Int32 Index, const ::com::sun::star::uno::Sequence< OUString >& RequestedAttributes ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
+        virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL getRunAttributes( ::sal_Int32 Index, const ::com::sun::star::uno::Sequence< OUString >& RequestedAttributes ) throw (css::beans::UnknownPropertyException, css::lang::IndexOutOfBoundsException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 
         // XAccessibleHypertext
         virtual ::sal_Int32 SAL_CALL getHyperLinkCount(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;

offapi/com/sun/star/accessibility/XAccessibleTextAttributes.idl

@@ -86,7 +86,8 @@ interface XAccessibleTextAttributes
     sequence<::com::sun::star::beans::PropertyValue>
         getRunAttributes ( [in] long Index,
                            [in] sequence<string> RequestedAttributes )
-        raises (::com::sun::star::lang::IndexOutOfBoundsException);
+        raises (::com::sun::star::beans::UnknownPropertyException,
+                ::com::sun::star::lang::IndexOutOfBoundsException);
 
 };