WaE: 'e' : unreferenced local variable

Change-Id: I06319bf6607ecc25a768f85de3ec142388bfa572
(cherry picked from commit 008b5c6a)
Signed-off-by: Michael Stahl <mstahl@redhat.com>

comphelper/source/container/embeddedobjectcontainer.cxx

@@ -1419,7 +1419,7 @@ sal_Bool EmbeddedObjectContainer::StoreAsChildren(sal_Bool _bOasisFormat,sal_Boo
                     {
                         xPersist->storeAsEntry( _xStorage, xPersist->getEntryName(), uno::Sequence< beans::PropertyValue >(), aArgs );
                     }
-                    catch (const embed::WrongStateException& e)
+                    catch (const embed::WrongStateException&)
                     {
                         SAL_WARN("comphelper", "failed to store '" << *pIter << "'");
                     }