coverity#707429 Uncaught exception

Change-Id: I745028d5bfbb6b1152abf6e0fe4dbc9c697b5d4b

ucb/source/ucp/tdoc/tdoc_content.cxx

@@ -2876,7 +2876,8 @@ static uno::Reference< io::XOutputStream > lcl_getTruncatedOutputStream(
 uno::Reference< io::XOutputStream > Content::getTruncatedOutputStream(
         const uno::Reference< ucb::XCommandEnvironment > & xEnv )
     throw ( ucb::CommandFailedException,
-            task::DocumentPasswordRequest )
+            task::DocumentPasswordRequest,
+            css::uno::RuntimeException )
 {
     OSL_ENSURE( m_aProps.getType() == STREAM,
                 "Content::getTruncatedOutputStream - content is no stream!" );

ucb/source/ucp/tdoc/tdoc_content.hxx

@@ -230,8 +230,9 @@ private:
     getTruncatedOutputStream(
         const ::com::sun::star::uno::Reference<
             ::com::sun::star::ucb::XCommandEnvironment > & xEnv )
-        throw ( ::com::sun::star::ucb::CommandFailedException,
-                ::com::sun::star::task::DocumentPasswordRequest );
+        throw ( css::ucb::CommandFailedException,
+                css::task::DocumentPasswordRequest,
+                css::uno::RuntimeException );
 
     ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >
     queryChildContent( const OUString & rRelativeChildUri );