[gtk+] glarea: Fix precondition check

[Timm Bäder <baedert src gnome org>]

commit d70bfea8e95c1ecc73263c3d75ae2b7d48ea0423
Author: Timm Bäder <mail baedert org>
Date:   Sun Feb 4 15:10:23 2018 +0100

    glarea: Fix precondition check
    
    and the build.

 gtk/gtkglarea.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkglarea.c b/gtk/gtkglarea.c
index 3a12f84..1e14e1b 100644
--- a/gtk/gtkglarea.c
+++ b/gtk/gtkglarea.c
@@ -1372,7 +1372,7 @@ gtk_gl_area_make_current (GtkGLArea *area)
   GtkGLAreaPrivate *priv = gtk_gl_area_get_instance_private (area);
 
   g_return_if_fail (GTK_IS_GL_AREA (area));
-  g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (widget)));
+  g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (area)));
 
   if (priv->context != NULL)
     gdk_gl_context_make_current (priv->context);