Removed cursor memory leak

Author: christkv

lib/mongodb/cursor.js

@@ -614,10 +614,7 @@ Cursor.prototype.close = function(callback) {
  if(this.cursorId instanceof self.db.bson_serializer.Long && this.cursorId.greaterThan(self.db.bson_serializer.Long.fromInt(0))) {
  try {
  var command = new KillCursorCommand(this.db, [this.cursorId]);
- var killCursorCommandHandler = function(err, result) {};
- this.db.executeCommand(command, killCursorCommandHandler);
- 
- killCursorCommandHandler = null;
+ this.db.executeCommand(command, null); 
  } catch(err) {}
  }
 

package.json

@@ -1,6 +1,6 @@
 { "name" : "mongodb"
 , "description" : "A node.js driver for MongoDB"
-, "version" : "0.9.0"
+, "version" : "0.9.1"
 , "author" : "Christian Amor Kvalheim <christkv@gmail.com>"
 , "contributors" : [ "Nathan White <nw@nwhite.net>",
  "Adam Wiggins <adam@heroku.com>",