[gxml] Node.vala, NodeList.vala: drop private _str fields for to_string; we wouldn't cash it anyway

[Richard Hans Schwarting <rschwart src gnome org>]

commit 1a02e1eaa59b9bcf1bb402bde8a9648c226c19bb
Author: Richard Schwarting <aquarichy gmail com>
Date:   Sat Aug 24 15:18:33 2013 -0230

    Node.vala, NodeList.vala: drop private _str fields for to_string; we wouldn't cash it anyway

 gxml/Node.vala     |    6 +-----
 gxml/NodeList.vala |    7 +++----
 2 files changed, 4 insertions(+), 9 deletions(-)
---
diff --git a/gxml/Node.vala b/gxml/Node.vala
index 090eaa5..687f9dc 100644
--- a/gxml/Node.vala
+++ b/gxml/Node.vala
@@ -388,7 +388,6 @@ namespace GXml {
                        return null;
                }
 
-               private string _str;
                /**
                 * Provides a string representation of this node.
                 *
@@ -405,11 +404,8 @@ namespace GXml {
                 */
                // TODO: ask Colin Walters about storing docs in GIR files (might have not been him)
                public virtual string to_string (bool format = false, int level = 0) {
-                       _str = "Node(%d:%s)".printf (this.node_type, this.node_name);
-                       return _str;
+                       return "Node(%d:%s)".printf (this.node_type, this.node_name);
                }
-
-               // TODO: indicate in C that the return value must be freed.
        }
 }
 
diff --git a/gxml/NodeList.vala b/gxml/NodeList.vala
index 9aa283f..8e1e4f7 100644
--- a/gxml/NodeList.vala
+++ b/gxml/NodeList.vala
@@ -670,13 +670,12 @@ namespace GXml {
                        return new_child;
                }
 
-               private string _str;
                public string to_string (bool in_line = true) {
-                       _str = "";
+                       string str = "";
                        foreach (Node node in this) {
-                               _str += node.to_string ();
+                               str += node.to_string ();
                        }
-                       return _str;
+                       return str;
                }
 
                /* ** NodeListIterator ***/