[gtk/wip/otte/dnd: 20/22] scrolledwindow: Inline variable into return_if_fail()

[Benjamin Otte <otte src gnome org>]

commit 0c4c88b4495e7d3f015bf70bc4a16069dc3f82ac
Author: Benjamin Otte <otte redhat com>
Date:   Sat Feb 22 07:06:55 2020 +0100

    scrolledwindow: Inline variable into return_if_fail()

 gtk/gtkscrolledwindow.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkscrolledwindow.c b/gtk/gtkscrolledwindow.c
index 30c4310ce2..71a8d2c53e 100644
--- a/gtk/gtkscrolledwindow.c
+++ b/gtk/gtkscrolledwindow.c
@@ -3491,12 +3491,11 @@ gtk_scrolled_window_add (GtkContainer *container,
   GtkScrolledWindow *scrolled_window = GTK_SCROLLED_WINDOW (container);
   GtkScrolledWindowPrivate *priv = gtk_scrolled_window_get_instance_private (scrolled_window);
   GtkBin *bin;
-  GtkWidget *child_widget, *scrollable_child;
+  GtkWidget *scrollable_child;
   GtkAdjustment *hadj, *vadj;
 
   bin = GTK_BIN (container);
-  child_widget = gtk_bin_get_child (bin);
-  g_return_if_fail (child_widget == NULL);
+  g_return_if_fail (gtk_bin_get_child (GTK_BIN (scrolled_window)) == NULL);
 
   /* gtk_scrolled_window_set_[hv]adjustment have the side-effect
    * of creating the scrollbars