[balsa] fix build error if HTML support is disabled

[Albrecht Dreß <albrecht src gnome org>]

commit 23aef3f0e0fb68921448007b4e361b47a4eec2b6
Author: Albrecht Dreß <albrecht dress netcologne de>
Date:   Thu Sep 22 19:53:08 2022 +0200

    fix build error if HTML support is disabled
    
    Thanks to Bruce Dubbs from linuxfromscratch.org for reporting this
    issue.
    
    libbalsa/body.c: mask out HTML selection table if HTML support is
    disabled
    libbalsa/body.c: fix macros if HTML support is disabled
    
    Signed-off-by: Albrecht Dreß <albrecht dress netcologne de>

 libbalsa/body.c | 4 ++++
 libbalsa/body.h | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/libbalsa/body.c b/libbalsa/body.c
index e300ae969..25d35fe77 100644
--- a/libbalsa/body.c
+++ b/libbalsa/body.c
@@ -65,6 +65,7 @@ libbalsa_message_body_new(LibBalsaMessage * message)
     return body;
 }
 
+#ifdef HAVE_HTML_WIDGET
 static void
 body_weak_notify(gpointer  data,
                  GObject  *key)
@@ -81,6 +82,7 @@ selection_table_foreach(gpointer key,
 {
     g_object_weak_unref(key, body_weak_notify, user_data);
 }
+#endif /* HAVE_HTML_WIDGET */
 
 void
 libbalsa_message_body_free(LibBalsaMessageBody * body)
@@ -111,10 +113,12 @@ libbalsa_message_body_free(LibBalsaMessageBody * body)
     if (body->mime_part)
        g_object_unref(body->mime_part);
 
+#ifdef HAVE_HTML_WIDGET
     if (body->selection_table != NULL) {
         g_hash_table_foreach(body->selection_table, selection_table_foreach, body);
         g_hash_table_destroy(body->selection_table);
     }
+#endif  /* HAVE_HTML_WIDGET */
 
     g_free(body);
 }
diff --git a/libbalsa/body.h b/libbalsa/body.h
index 2650df728..139810018 100644
--- a/libbalsa/body.h
+++ b/libbalsa/body.h
@@ -155,8 +155,8 @@ void libbalsa_message_body_set_mp_alt_selection(LibBalsaMessageBody *body,
 LibBalsaMpAltSelection libbalsa_message_body_get_mp_alt_selection(LibBalsaMessageBody *body,
                                                                   gpointer key);
 #else
-#define libbalsa_message_body_set_mp_alt_selection(x)
-#define libbalsa_message_body_get_mp_alt_selection(x)  LIBBALSA_MP_ALT_AUTO
+#define libbalsa_message_body_set_mp_alt_selection(x, y)
+#define libbalsa_message_body_get_mp_alt_selection(x, y)       LIBBALSA_MP_ALT_AUTO
 #endif /*HAVE_HTML_WIDGET*/
 
 guint libbalsa_message_body_protect_mode(const LibBalsaMessageBody * body);