[balsa] main-window: Port the sos search to GtkSearchEntry

[Peter Bloomfield <peterb src gnome org>]

commit aae4051b9bac27645457b6a02d0b22ff3dced878
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Thu May 9 16:30:11 2019 -0400

    main-window: Port the sos search to GtkSearchEntry
    
    main-window: Port the subject-or-sender search bar to GtkSearchEntry
    
    * src/main-window.c (bw_create_index_widget):

 ChangeLog         | 6 ++++++
 src/main-window.c | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/ChangeLog b/ChangeLog
index b475cfe7b..a8fe7f9ea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2019-05-09  Peter Bloomfield  <pbloomfield bellsouth net>
+
+       main-window: Port the subject-or-sender search bar to GtkSearchEntry
+
+       * src/main-window.c (bw_create_index_widget):
+
 2019-05-09  Peter Bloomfield  <pbloomfield bellsouth net>
 
        balsa-message: Port the find-in-message bar to GtkSearchBar and
diff --git a/src/main-window.c b/src/main-window.c
index c941e6448..479ca6eeb 100644
--- a/src/main-window.c
+++ b/src/main-window.c
@@ -479,7 +479,7 @@ bw_create_index_widget(BalsaWindow *bw)
                                        i, view_filters[i].str);
     gtk_combo_box_set_active(GTK_COMBO_BOX(bw->filter_choice), 0);
     gtk_widget_show(bw->filter_choice);
-    bw->sos_entry = gtk_entry_new();
+    bw->sos_entry = gtk_search_entry_new();
     /* gtk_label_set_mnemonic_widget(GTK_LABEL(bw->filter_choice),
        bw->sos_entry); */
     g_signal_connect(G_OBJECT(bw->sos_entry), "focus_in_event",