[gtk+] arrow: Remove unneeded checks

[Benjamin Otte <otte src gnome org>]

commit e6b15c88ca11211bf2e7a7df95396ba0330e1a03
Author: Benjamin Otte <otte redhat com>
Date:   Wed Apr 30 08:36:48 2014 +0200

    arrow: Remove unneeded checks
    
    Size vfuncs always get non-null out variables passed, so no need to
    check for NULL.

 gtk/gtkarrow.c |   14 ++++----------
 1 files changed, 4 insertions(+), 10 deletions(-)
---
diff --git a/gtk/gtkarrow.c b/gtk/gtkarrow.c
index e397644..76f23a6 100644
--- a/gtk/gtkarrow.c
+++ b/gtk/gtkarrow.c
@@ -201,11 +201,8 @@ gtk_arrow_get_preferred_width (GtkWidget *widget,
 
   _gtk_misc_get_padding_and_border (GTK_MISC (widget), &border);
 
-  if (minimum_size)
-    *minimum_size = MIN_ARROW_SIZE + border.left + border.right;
-
-  if (natural_size)
-    *natural_size = MIN_ARROW_SIZE + border.left + border.right;
+  *minimum_size = MIN_ARROW_SIZE + border.left + border.right;
+  *natural_size = MIN_ARROW_SIZE + border.left + border.right;
 }
 
 static void
@@ -217,11 +214,8 @@ gtk_arrow_get_preferred_height (GtkWidget *widget,
 
   _gtk_misc_get_padding_and_border (GTK_MISC (widget), &border);
 
-  if (minimum_size)
-    *minimum_size = MIN_ARROW_SIZE + border.top + border.bottom;
-
-  if (natural_size)
-    *natural_size = MIN_ARROW_SIZE + border.top + border.bottom;
+  *minimum_size = MIN_ARROW_SIZE + border.top + border.bottom;
+  *natural_size = MIN_ARROW_SIZE + border.top + border.bottom;
 }
 
 /**