[gnome-system-monitor] GsmColorButton: remove type checks from non-API methods

[Stefano Facchini <sfacchini src gnome org>]

commit 99ccfe6c2c1ef18106689051e8c066665c49ecdf
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Thu Aug 8 16:05:50 2013 +0200

    GsmColorButton: remove type checks from non-API methods

 src/gsm_color_button.c |   18 ++++++++----------
 1 files changed, 8 insertions(+), 10 deletions(-)
---
diff --git a/src/gsm_color_button.c b/src/gsm_color_button.c
index a84da81..d487c01 100644
--- a/src/gsm_color_button.c
+++ b/src/gsm_color_button.c
@@ -397,11 +397,10 @@ gsm_color_button_get_preferred_width (GtkWidget * widget,
                                       gint      * minimum,
                                       gint      * natural)
 {
-  g_return_if_fail (widget != NULL || minimum != NULL || natural != NULL);
-  g_return_if_fail (GSM_IS_COLOR_BUTTON (widget));
-
-  *minimum = GSMCP_MIN_WIDTH;
-  *natural = GSMCP_MIN_WIDTH;
+  if (minimum)
+    *minimum = GSMCP_MIN_WIDTH;
+  if (natural)
+    *natural = GSMCP_MIN_WIDTH;
 }
 
 static void
@@ -409,11 +408,10 @@ gsm_color_button_get_preferred_height (GtkWidget * widget,
                                        gint      * minimum,
                                        gint      * natural)
 {
-  g_return_if_fail (widget != NULL || minimum != NULL || natural != NULL);
-  g_return_if_fail (GSM_IS_COLOR_BUTTON (widget));
-
-  *minimum = GSMCP_MIN_HEIGHT;
-  *natural = GSMCP_MIN_HEIGHT;
+  if (minimum)
+    *minimum = GSMCP_MIN_HEIGHT;
+  if (natural)
+    *natural = GSMCP_MIN_HEIGHT;
 }
 
 static void