Markers -> this.markers, reverts a change I made and fixes a bug euzuro introduced. (But I don't have a test case for it yet, so it's not his fault.)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@135 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/Marker.js

@@ -7,7 +7,7 @@ OpenLayers.Layer.Marker.prototype =
     
     /** internal marker list
     * @type Array(OpenLayers.Marker) */
-    markers: [],
+    markers: null,
     
     /**
     * @constructor
@@ -16,7 +16,7 @@ OpenLayers.Layer.Marker.prototype =
     */
     initialize: function(name) {
         OpenLayers.Layer.prototype.initialize.apply(this, arguments);
-        markers = new Array();
+        this.markers = new Array();
     },
     
     /**