Control/Split isEligible() should check feature has a geometry

lib/OpenLayers/Control/Split.js

@@ -312,6 +312,9 @@ OpenLayers.Control.Split = OpenLayers.Class(OpenLayers.Control, {
      * {Boolean} The target is eligible for splitting.
      */
     isEligible: function(target) {
+        if (!target.geometry) {
+            return false;
+        } else {
             return (
                 target.state !== OpenLayers.State.DELETE
             ) && (
@@ -322,6 +325,7 @@ OpenLayers.Control.Split = OpenLayers.Class(OpenLayers.Control, {
                 !this.targetFilter ||
                 this.targetFilter.evaluate(target.attributes)
             );
+        }
     },
 
     /**