[libegg] tests: Replace deprecated gtk_scrolled_window_add_with_viewport().

[Murray Cumming <murrayc src gnome org>]

commit 7de72adceb2c2d3c04000cc1b6ffeec78b5fe836
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Nov 1 16:38:25 2017 +0100

    tests: Replace deprecated gtk_scrolled_window_add_with_viewport().

 libegg/spreadtable/testspreadtable.c    |    2 +-
 libegg/spreadtable/testspreadtablednd.c |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/libegg/spreadtable/testspreadtable.c b/libegg/spreadtable/testspreadtable.c
index d9768ea..b377f6a 100644
--- a/libegg/spreadtable/testspreadtable.c
+++ b/libegg/spreadtable/testspreadtable.c
@@ -220,7 +220,7 @@ create_window (void)
   egg_spread_table_set_horizontal_spacing (EGG_SPREAD_TABLE (paper), INITIAL_HSPACING);
   gtk_widget_show (paper);
 
-  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (swindow), paper);
+  gtk_container_add (GTK_CONTAINER (swindow), paper);
 
   /* Add SpreadTable test control frame */
   expander = gtk_expander_new ("SpreadTable controls");
diff --git a/libegg/spreadtable/testspreadtablednd.c b/libegg/spreadtable/testspreadtablednd.c
index a7f5924..d2a15e1 100644
--- a/libegg/spreadtable/testspreadtablednd.c
+++ b/libegg/spreadtable/testspreadtablednd.c
@@ -110,7 +110,7 @@ populate_spread_table_wrappy (EggSpreadTable *spread_table)
   gtk_widget_set_size_request (frame, 200, 200);
   gtk_widget_show (widget);
   gtk_widget_show (frame);
-  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (widget), frame);
+  gtk_container_add (GTK_CONTAINER (widget), frame);
   egg_spread_table_dnd_insert_child (EGG_SPREAD_TABLE_DND (spread_table), widget, -1);
 }
 
@@ -235,7 +235,7 @@ create_window (void)
   egg_spread_table_set_horizontal_spacing (EGG_SPREAD_TABLE (paper), INITIAL_HSPACING);
   gtk_widget_show (paper);
 
-  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (swindow), paper);
+  gtk_container_add (GTK_CONTAINER (swindow), paper);
 
   /* Add SpreadTable test control frame */
   expander = gtk_expander_new ("SpreadTable controls");