[gxml/gxml-0.20] XParser: Fix memory leaks

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit bbd6e351438e1ae0eed1ac9a795d57217de189cf
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Mar 17 08:34:04 2021 +0100

    XParser: Fix memory leaks

 gxml/XParser.vala | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/gxml/XParser.vala b/gxml/XParser.vala
index f0266b3a..67ab0fa2 100644
--- a/gxml/XParser.vala
+++ b/gxml/XParser.vala
@@ -63,14 +63,14 @@ public class GXml.XParser : GLib.Object, GXml.Parser {
 
   public void write_stream (OutputStream stream) throws GLib.Error {
     var s = dump ();
-    var b = new GLib.MemoryInputStream.from_data (s.data, null);
+    var b = new GLib.MemoryInputStream.from_data (s.data);
     stream.splice (b, GLib.OutputStreamSpliceFlags.NONE, cancellable);
     stream.close ();
     tw = null;
   }
   public async void write_stream_async (OutputStream stream) throws GLib.Error {
     var s = yield dump_async ();
-    var b = new GLib.MemoryInputStream.from_data (s.data, null);
+    var b = new GLib.MemoryInputStream.from_data (s.data);
     yield stream.splice_async (b, GLib.OutputStreamSpliceFlags.NONE, 0, cancellable);
     tw = null;
   }
@@ -83,7 +83,7 @@ public class GXml.XParser : GLib.Object, GXml.Parser {
   create_stream () throws GLib.Error {
     var s = dump ();
     tw = null;
-    return new GLib.MemoryInputStream.from_data (s.data, null);
+    return new GLib.MemoryInputStream.from_data (s.data);
   }
   /**
    * Creates asynchronically an {@link GLib.InputStream} to write a string representation
@@ -93,7 +93,7 @@ public class GXml.XParser : GLib.Object, GXml.Parser {
   create_stream_async () throws GLib.Error {
     var s = yield dump_async ();
     tw = null;
-    return new GLib.MemoryInputStream.from_data (s.data, null);
+    return new GLib.MemoryInputStream.from_data (s.data);
   }
 
   public string write_string () throws GLib.Error  {