fix spaces in returned ObjectName

Author: James Stenhouse

lib/messages/search_entry.js

@@ -171,7 +171,8 @@ SearchEntry.prototype._parse = function (ber) {
 SearchEntry.prototype._toBer = function (ber) {
   assert.ok(ber)
 
-  ber.writeString(this.objectName.toString())
+  var formattedObjectName = this.objectName.format({ skipSpace: true })
+  ber.writeString(formattedObjectName)
   ber.startSequence()
   this.attributes.forEach(function (a) {
     // This may or may not be an attribute