costs are option, no selection

git-svn-id: http://svn.osgeo.org/qgis/trunk@5012 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/plugins/grass/modules/v.net.iso.qgm

@@ -5,6 +5,6 @@
 	<option key="input" layeroption="alayer" typemask="line,boundary" label="Input arcs" id="arcs" />
 	<option key="input" mapid="arcs" layeroption="nlayer" typemask="point" label="Input nodes" id="nodes" />
 	<selection key="ccats" layerid="nodes" label="Cats" />
-	<selection key="costs" />
+	<option key="costs" />
 	<option key="output" />
 </qgisgrassmodule>