coverity#707312 Uncaught exception

Change-Id: I6fdd99892bda502f7cfab2acd53120834dd390c6

sw/inc/unotext.hxx

@@ -277,8 +277,9 @@ public:
                 ::com::sun::star::text::XTextRange >& xEnd,
             const ::com::sun::star::uno::Sequence<
                 ::com::sun::star::beans::PropertyValue >& xFrameProperties)
-        throw (::com::sun::star::lang::IllegalArgumentException,
-                ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
+        throw (css::lang::IllegalArgumentException,
+               css::beans::UnknownPropertyException,
+               css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
     virtual ::com::sun::star::uno::Reference<
                 ::com::sun::star::text::XTextTable > SAL_CALL
         convertToTable(

sw/source/core/unocore/unotext.cxx

@@ -1528,7 +1528,8 @@ SwXText::convertToTextFrame(
     const uno::Reference< text::XTextRange >& xStart,
     const uno::Reference< text::XTextRange >& xEnd,
     const uno::Sequence< beans::PropertyValue >& rFrameProperties)
-throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception)
+    throw (lang::IllegalArgumentException, beans::UnknownPropertyException,
+           uno::RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;