coverity#738256 Uncaught exception

Change-Id: I41cedc756bbaa6f1382aaf40395f18176170402a

sw/inc/unotbl.hxx

@@ -485,7 +485,9 @@ public:
 
     //XSortable
     virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL createSortDescriptor(void) throw( ::com::sun::star::uno::RuntimeException );
-    virtual void SAL_CALL sort(const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& xDescriptor) throw( ::com::sun::star::uno::RuntimeException );
+    virtual void SAL_CALL sort(const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& xDescriptor)
+        throw (::com::sun::star::uno::RuntimeException,
+               std::exception);
 
     //XCellRangeData
     virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > > SAL_CALL getDataArray(  ) throw (::com::sun::star::uno::RuntimeException);

sw/source/core/unocore/unotbl.cxx

@@ -4644,7 +4644,8 @@ uno::Sequence< beans::PropertyValue > SwXCellRange::createSortDescriptor(void) t
 }
 
 void SAL_CALL SwXCellRange::sort(const uno::Sequence< beans::PropertyValue >& rDescriptor)
-    throw( uno::RuntimeException )
+    throw (uno::RuntimeException,
+           std::exception)
 {
     SolarMutexGuard aGuard;
     SwSortOptions aSortOpt;