[balsa/gtk4: 202/284] balsa-icons: Fix the build

[Peter Bloomfield <peterb src gnome org>]

commit b426fb087fe270c787cd1a4a40ff1a2728900a84
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Sun Oct 18 13:27:58 2020 -0400

    balsa-icons: Fix the build

 src/balsa-icons.c | 6 +++---
 src/balsa-icons.h | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/balsa-icons.c b/src/balsa-icons.c
index 3b22fcf70..9acce7d60 100644
--- a/src/balsa-icons.c
+++ b/src/balsa-icons.c
@@ -93,7 +93,7 @@ load_balsa_pixmap(GtkIconTheme *icon_theme, const balsa_pixmap_t *bpixmap)
 }
 
 void
-balsa_register_pixmaps(BalsaWindow *window)
+balsa_register_pixmaps(GtkWidget *window)
 {
     const balsa_pixmap_t balsa_icons[] = {
        /* icons for buttons and menus (24x24 and 16x16) */
@@ -165,11 +165,11 @@ balsa_register_pixmaps(BalsaWindow *window)
 
     unsigned i;
     GtkIconTheme *icon_theme =
-        gtk_icon_theme_get_for_display(gtk_widget_get_display(GTK_WIDGET(window)));
+        gtk_icon_theme_get_for_display(gtk_widget_get_display(window));
 
     balsa_icon_table =
         g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
-    gtk_icon_theme_append_search_path(icon_theme, BALSA_DATA_PREFIX);
+    gtk_icon_theme_add_search_path(icon_theme, BALSA_DATA_PREFIX);
 
     for (i = 0; i < G_N_ELEMENTS(balsa_icons); i++)
        load_balsa_pixmap(icon_theme, balsa_icons + i);
diff --git a/src/balsa-icons.h b/src/balsa-icons.h
index 69348d8a5..0ec08bd49 100644
--- a/src/balsa-icons.h
+++ b/src/balsa-icons.h
@@ -91,7 +91,7 @@
 
 #define BALSA_PIXMAP_DROP_DOWN                  "balsa_drop_down"
 
-void balsa_register_pixmaps(void);
+void balsa_register_pixmaps(GtkWidget *widget);
 void balsa_unregister_pixmaps(void);
 void balsa_register_icon_names(void);
 const gchar * balsa_icon_id(const gchar * name);