[mutter] Free memory allocated by XIQueryPointer()

[Florian Müllner <fmuellner src gnome org>]

commit 98b0a37442561e4fe44a5561932f3da3ab6b1f52
Author: Pavel Vasin <rat4vier gmail com>
Date:   Mon Mar 4 18:57:01 2013 +0400

    Free memory allocated by XIQueryPointer()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=695135

 src/core/display.c     |    2 ++
 src/core/keybindings.c |    1 +
 src/core/screen.c      |    3 +++
 src/core/window.c      |    3 +++
 4 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index e3bf5f6..5a30885 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -71,6 +71,7 @@
 #include <X11/extensions/Xcomposite.h>
 #include <X11/extensions/Xdamage.h>
 #include <X11/extensions/Xfixes.h>
+#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
@@ -1674,6 +1675,7 @@ window_focus_on_pointer_rest_callback (gpointer data) {
                   &root_x, &root_y, &x, &y,
                   &buttons, &mods, &group);
   meta_error_trap_pop (display);
+  free (buttons.mask);
 
   if (root_x != focus_data->pointer_x ||
       root_y != focus_data->pointer_y)
diff --git a/src/core/keybindings.c b/src/core/keybindings.c
index bfc16a7..8a2dcec 100644
--- a/src/core/keybindings.c
+++ b/src/core/keybindings.c
@@ -1544,6 +1544,7 @@ primary_modifier_still_pressed (MetaDisplay *display,
                   &root_x, &root_y,
                   &x, &y,
                   &buttons, &mods, &group);
+  free (buttons.mask);
 
   meta_topic (META_DEBUG_KEYBINDINGS,
               "Primary modifier 0x%x full grab mask 0x%x current state 0x%x\n",
diff --git a/src/core/screen.c b/src/core/screen.c
index cb4827c..1266196 100644
--- a/src/core/screen.c
+++ b/src/core/screen.c
@@ -52,6 +52,7 @@
 #include <locale.h>
 #include <string.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 static char* get_screen_name (MetaDisplay *display,
                               int          number);
@@ -1985,6 +1986,7 @@ meta_screen_get_mouse_window (MetaScreen  *screen,
                   &mods,
                   &group);
   meta_error_trap_pop (screen->display);
+  free (buttons.mask);
 
   window = meta_stack_get_default_focus_window_at_point (screen->stack,
                                                          screen->active_workspace,
@@ -2236,6 +2238,7 @@ meta_screen_get_current_monitor (MetaScreen *screen)
                       &buttons,
                       &mods,
                       &group);
+      free (buttons.mask);
 
       pointer_position.x = root_x_return;
       pointer_position.y = root_y_return;
diff --git a/src/core/window.c b/src/core/window.c
index 1faff6b..bcc1fa3 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -48,6 +48,7 @@
 
 #include <X11/Xatom.h>
 #include <X11/Xlibint.h> /* For display->resource_mask */
+#include <stdlib.h>
 #include <string.h>
 #include <math.h>
 
@@ -6959,6 +6960,8 @@ meta_window_client_message (MetaWindow *window,
                 button = 3;
               else
                 button = 0;
+
+              free (buttons.mask);
             }
 
           if (button != 0)