[gtk+] glarea: Simplify make_current

[Timm Bäder <baedert src gnome org>]

commit 76258c8e3ab96ab3051974dda145cd366ddda67a
Author: Timm Bäder <mail baedert org>
Date:   Sun Feb 4 09:23:11 2018 +0100

    glarea: Simplify make_current
    
    We only use the widget pointer here once.

 gtk/gtkglarea.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkglarea.c b/gtk/gtkglarea.c
index d7e727b..3a12f84 100644
--- a/gtk/gtkglarea.c
+++ b/gtk/gtkglarea.c
@@ -1370,13 +1370,9 @@ void
 gtk_gl_area_make_current (GtkGLArea *area)
 {
   GtkGLAreaPrivate *priv = gtk_gl_area_get_instance_private (area);
-  GtkWidget *widget;
 
   g_return_if_fail (GTK_IS_GL_AREA (area));
-
-  widget = GTK_WIDGET (area);
-
-  g_return_if_fail (gtk_widget_get_realized (widget));
+  g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (widget)));
 
   if (priv->context != NULL)
     gdk_gl_context_make_current (priv->context);