coverity#1158344 Uncaught exception

Change-Id: Ifae42003982f74f30e946edb8d19ecc02bd33a46

sc/inc/cellsuno.hxx

@@ -263,7 +263,8 @@ public:
                             // XSheetOperation
     virtual double SAL_CALL computeFunction( ::com::sun::star::sheet::GeneralFunction nFunction )
                                 throw(::com::sun::star::uno::Exception,
-                                        ::com::sun::star::uno::RuntimeException);
+                                      ::com::sun::star::uno::RuntimeException,
+                                      std::exception);
     virtual void SAL_CALL   clearContents( sal_Int32 nContentFlags )
                                 throw(::com::sun::star::uno::RuntimeException);
 

sc/source/ui/unoobj/cellsuno.cxx

@@ -1818,7 +1818,7 @@ void ScCellRangesBase::PaintRanges_Impl( sal_uInt16 nPart )
 // XSheetOperation
 
 double SAL_CALL ScCellRangesBase::computeFunction( sheet::GeneralFunction nFunction )
-                                                throw(uno::Exception, uno::RuntimeException)
+    throw(uno::Exception, uno::RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
     ScMarkData aMark(*GetMarkData());