[gxml] GomDocument: Fix search for default root node

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 198ddb50bad99e34ac7dd6ed2694fe3039dc1d84
Author: Daniel Espinosa <esodan gmail com>
Date:   Thu Mar 21 17:39:58 2019 -0600

    GomDocument: Fix search for default root node
    
    Before this change, no root property is found and instantiated

 gxml/GomDocument.vala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gxml/GomDocument.vala b/gxml/GomDocument.vala
index d688290..795125a 100644
--- a/gxml/GomDocument.vala
+++ b/gxml/GomDocument.vala
@@ -111,8 +111,8 @@ public class GXml.GomDocument : GomNode,
         if (spec.value_type.is_a (typeof (GomElement))) {
           Value val = Value (Type.OBJECT);
           get_property (spec.name, ref val);
-          var roote = val.get_object () as GomElement;
-          if (roote == null) {
+          obj = val.get_object () as GomElement;
+          if (obj == null) {
             obj = Object.new (spec.value_type,"owner-document", this.owner_document);
             try { this.append_child (obj as GomElement); }
             catch (GLib.Error e) {