[gnome-builder] vala: Avoid ownership mismatches of container elements to fix some memleaks

[Christian Hergert <chergert src gnome org>]

commit 6b736af9ccb91dbaf97f439f7dadcae62914043a
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Apr 5 10:34:41 2018 +0200

    vala: Avoid ownership mismatches of container elements to fix some memleaks

 src/plugins/vala-pack/ide-vala-code-indexer.vala | 2 +-
 src/plugins/vala-pack/ide-vala-index.vala        | 2 +-
 src/plugins/vala-pack/ide-vala-source-file.vala  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/plugins/vala-pack/ide-vala-code-indexer.vala 
b/src/plugins/vala-pack/ide-vala-code-indexer.vala
index ad91a3b1b..2de540a21 100644
--- a/src/plugins/vala-pack/ide-vala-code-indexer.vala
+++ b/src/plugins/vala-pack/ide-vala-code-indexer.vala
@@ -102,7 +102,7 @@ namespace Ide
         public async GLib.GenericArray<weak Ide.CodeIndexEntry> next_entries_async (GLib.Cancellable? 
cancellable)
                        throws GLib.Error
         {
-                       var ret = new GLib.GenericArray<Ide.CodeIndexEntry> ();
+                       var ret = new GLib.GenericArray<unowned Ide.CodeIndexEntry> ();
 
                        for (;;)
                        {
diff --git a/src/plugins/vala-pack/ide-vala-index.vala b/src/plugins/vala-pack/ide-vala-index.vala
index be9bf1851..43e9d7226 100644
--- a/src/plugins/vala-pack/ide-vala-index.vala
+++ b/src/plugins/vala-pack/ide-vala-index.vala
@@ -284,7 +284,7 @@ namespace Ide
                                              GLib.Cancellable? cancellable)
                        throws GLib.Error
                {
-                       GLib.GenericArray<UnsavedFile>? unsaved_files_copy = null;
+                       GLib.GenericArray<unowned UnsavedFile>? unsaved_files_copy = null;
 
                        if (unsaved_files != null) {
                                unsaved_files_copy = unsaved_files.to_array ();
diff --git a/src/plugins/vala-pack/ide-vala-source-file.vala b/src/plugins/vala-pack/ide-vala-source-file.vala
index 9572fb7ab..f36c71ff1 100644
--- a/src/plugins/vala-pack/ide-vala-source-file.vala
+++ b/src/plugins/vala-pack/ide-vala-source-file.vala
@@ -135,7 +135,7 @@ namespace Ide
 
                public Ide.Diagnostics? diagnose ()
                {
-                       var ar = new GLib.GenericArray<Ide.Diagnostic> ();
+                       var ar = new GLib.GenericArray<unowned Ide.Diagnostic> ();
                        foreach (var diag in this.diagnostics) {
                                ar.add (diag);
                        }