coverity#1308566 Uncaught exception

Change-Id: Ib7678784dc822bc84eee0c522c1b2df5de6d6713

sw/source/core/access/accpara.cxx

@@ -874,7 +874,8 @@ bool SwAccessibleParagraph::GetTextBoundary(
     throw (
         lang::IndexOutOfBoundsException,
         lang::IllegalArgumentException,
-        uno::RuntimeException)
+        uno::RuntimeException,
+        std::exception)
 {
     // error checking
     if( !( AccessibleTextType::LINE == nTextType

sw/source/core/access/accpara.hxx

@@ -233,7 +233,8 @@ protected:
         throw (
             ::com::sun::star::lang::IndexOutOfBoundsException,
             ::com::sun::star::lang::IllegalArgumentException,
-            ::com::sun::star::uno::RuntimeException);
+            ::com::sun::star::uno::RuntimeException,
+            std::exception);
 
     virtual void Modify( const SfxPoolItem* pOld, const SfxPoolItem* pNew) SAL_OVERRIDE;