ucb: fix inverted condition in webdav lcl_sendPartialGETRequest

(regression from a3f32769)

Change-Id: Ic72b0e874ebf19e25e43af1f8750c63c04ed8a8e

ucb/source/ucp/webdav/webdavcontent.cxx

@@ -163,7 +163,7 @@ static void lcl_sendPartialGETRequest( bool &bError,
                         for ( std::vector< DAVPropertyValue >::iterator it = aResponseProps.begin();
                                 it != aResponseProps.end(); ++it )
                         {
-                            if ( it->Name != "Content-Length" )
+                            if (it->Name == "Content-Length")
                             {
                                 it->Value <<= aSize;
                                 break;