[gtksourceview] Remove unneeded check.

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 1b1ceae5919550766d11ea2ac770cc33c1aed1c0
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Sun Dec 12 00:00:36 2010 +0100

    Remove unneeded check.

 gtksourceview/gtksourceview.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index 88ac04b..8bf8d59 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -3938,8 +3938,6 @@ gtk_source_view_style_updated (GtkWidget *widget)
 {
 	GtkSourceView *view;
 
-	g_return_if_fail (GTK_IS_SOURCE_VIEW (widget));
-
 	/* call default handler first */
 	GTK_WIDGET_CLASS (gtk_source_view_parent_class)->style_updated (widget);