coverity#1158382 Uncaught exception

Change-Id: Icd86cfa4ff0c4c26de0f4f9258646353e718823e

sc/source/ui/Accessibility/AccessibleContextBase.cxx

@@ -250,9 +250,8 @@ sal_Int32 SAL_CALL ScAccessibleContextBase::getBackground(  )
 
 //=====  XAccessibleContext  ==================================================
 
-sal_Int32 SAL_CALL
-       ScAccessibleContextBase::getAccessibleChildCount(void)
-    throw (uno::RuntimeException)
+sal_Int32 SAL_CALL ScAccessibleContextBase::getAccessibleChildCount()
+    throw (uno::RuntimeException, std::exception)
 {
     OSL_FAIL("should be implemented in the abrevated class");
     return 0;

sc/source/ui/Accessibility/AccessibleDocumentPagePreview.cxx

@@ -1483,7 +1483,8 @@ void SAL_CALL ScAccessibleDocumentPagePreview::grabFocus() throw (uno::RuntimeEx
 
 //=====  XAccessibleContext  ==============================================
 
-sal_Int32 SAL_CALL ScAccessibleDocumentPagePreview::getAccessibleChildCount(void) throw (uno::RuntimeException)
+sal_Int32 SAL_CALL ScAccessibleDocumentPagePreview::getAccessibleChildCount()
+    throw (uno::RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
     IsObjectValid();

sc/source/ui/inc/AccessibleContextBase.hxx

@@ -141,8 +141,8 @@ public:
     ///=====  XAccessibleContext  ==============================================
 
     /// Return the number of currently visible children.
-    virtual sal_Int32 SAL_CALL
-        getAccessibleChildCount(void) throw (::com::sun::star::uno::RuntimeException);
+    virtual sal_Int32 SAL_CALL getAccessibleChildCount()
+        throw (::com::sun::star::uno::RuntimeException, std::exception);
 
     /// Return the specified child or NULL if index is invalid.
     virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL

sc/source/ui/inc/AccessibleDocumentPagePreview.hxx

@@ -65,9 +65,8 @@ public:
     ///=====  XAccessibleContext  ==============================================
 
     /// Return the number of currently visible children.
-    virtual sal_Int32 SAL_CALL
-        getAccessibleChildCount(void)
-        throw (::com::sun::star::uno::RuntimeException);
+    virtual sal_Int32 SAL_CALL getAccessibleChildCount()
+        throw (::com::sun::star::uno::RuntimeException, std::exception);
 
     /// Return the specified child or NULL if index is invalid.
     virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL