[gnome-control-center] wacom: Fix declaration of functions with no args

[Bastien Nocera <hadess src gnome org>]

commit fda8864aa66a58b4003a6c458f5bd6e6652adb42
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Feb 16 18:51:26 2012 +0100

    wacom: Fix declaration of functions with no args

 panels/wacom/cc-wacom-mapping-panel.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/panels/wacom/cc-wacom-mapping-panel.c b/panels/wacom/cc-wacom-mapping-panel.c
index 7453a73..8793d2b 100644
--- a/panels/wacom/cc-wacom-mapping-panel.c
+++ b/panels/wacom/cc-wacom-mapping-panel.c
@@ -52,7 +52,7 @@ enum {
 };
 
 static GnomeRROutputInfo**
-get_rr_outputs ()
+get_rr_outputs (void)
 {
 	GError *error = NULL;
 	GnomeRRScreen *rr_screen;
@@ -233,7 +233,7 @@ cc_wacom_mapping_panel_init (CcWacomMappingPanel *self)
 }
 
 GtkWidget *
-cc_wacom_mapping_panel_new ()
+cc_wacom_mapping_panel_new (void)
 {
 	CcWacomMappingPanel *panel;