[gnome-settings-daemon] wacom: Add trap push for existing trap pop

[Bastien Nocera <hadess src gnome org>]

commit 674e634128c142c32df8a3b4ec2877a0d56c60f1
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Nov 23 19:15:17 2011 +0000

    wacom: Add trap push for existing trap pop

 plugins/wacom/gsd-wacom-manager.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/wacom/gsd-wacom-manager.c b/plugins/wacom/gsd-wacom-manager.c
index 7580406..eb55f26 100644
--- a/plugins/wacom/gsd-wacom-manager.c
+++ b/plugins/wacom/gsd-wacom-manager.c
@@ -206,6 +206,7 @@ set_absolute (GsdWacomDevice  *device,
 	XDevice *xdev;
 
 	xdev = open_device (device);
+	gdk_error_trap_push ();
 	XSetDeviceMode (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), xdev, is_absolute ? Absolute : Relative);
 	if (gdk_error_trap_pop ())
 		g_error ("Failed to set mode \"%s\" for \"%s\".",