[gnome-builder] xml-pack: prevent for analysing null size files

[Sébastien Lafargue <slafargue src gnome org>]

commit 506e8087c739da344a715e8b56426b53674ad6a8
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Tue Jan 16 22:50:12 2018 +0100

    xml-pack: prevent for analysing null size files

 src/plugins/xml-pack/ide-xml-tree-builder.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/xml-pack/ide-xml-tree-builder.c b/src/plugins/xml-pack/ide-xml-tree-builder.c
index 37af9a951..c9e71595b 100644
--- a/src/plugins/xml-pack/ide-xml-tree-builder.c
+++ b/src/plugins/xml-pack/ide-xml-tree-builder.c
@@ -516,7 +516,7 @@ ide_xml_tree_builder_build_tree_async (IdeXmlTreeBuilder   *self,
 
   content = ide_xml_tree_builder_get_file_content (self, file, &sequence);
 
-  if (content == NULL)
+  if (content == NULL || g_bytes_get_size (content) == 0)
     {
       g_task_return_new_error (task,
                                G_IO_ERROR,