loplugin:unnecessaryparen (--with-webdav=serf)

Change-Id: If5b05772f2195244e509d7464f5ac3d59280c807
Reviewed-on: https://gerrit.libreoffice.org/59965
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

ucb/source/ucp/webdav/webdavdatasupplier.cxx

@@ -92,7 +92,7 @@ DataSupplier_Impl::~DataSupplier_Impl()
 
     while ( it != end )
     {
-        delete (*it);
+        delete *it;
         ++it;
     }
 }