[mutter/gnome-3-26] core: Plug leaks

[Carlos Garnacho <carlosg src gnome org>]

commit 2882ddec7b482bf65726c42350a5cf70f543860c
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Nov 6 20:38:43 2017 +0100

    core: Plug leaks
    
    The MetaWorkspaceLogicalMonitorData structs are leaked, and so is the
    stamps hashtable in MetaDisplay.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=789984

 src/core/display.c   |    1 +
 src/core/workspace.c |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index dc4d8df..7faa61a 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -1138,6 +1138,7 @@ meta_display_close (MetaDisplay *display,
    */
   g_hash_table_destroy (display->xids);
   g_hash_table_destroy (display->wayland_windows);
+  g_hash_table_destroy (display->stamps);
 
   if (display->leader_window != None)
     XDestroyWindow (display->xdisplay, display->leader_window);
diff --git a/src/core/workspace.c b/src/core/workspace.c
index 901de45..7866c15 100644
--- a/src/core/workspace.c
+++ b/src/core/workspace.c
@@ -99,6 +99,7 @@ workspace_logical_monitor_data_free (MetaWorkspaceLogicalMonitorData *data)
 {
   g_clear_pointer (&data->logical_monitor_region,
                    meta_rectangle_free_list_and_elements);
+  g_free (data);
 }
 
 static MetaWorkspaceLogicalMonitorData *