[balsa/gtk4: 177/294] libbalsa-gpgme: Build with gtk4

[Peter Bloomfield <peterb src gnome org>]

commit 17bc9c69f4fd9f6b806bc6cafcc75f52450cf4b4
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Thu Oct 8 12:44:17 2020 -0400

    libbalsa-gpgme: Build with gtk4

 libbalsa/libbalsa-gpgme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libbalsa/libbalsa-gpgme.c b/libbalsa/libbalsa-gpgme.c
index a51c96ef5..aa2313f36 100644
--- a/libbalsa/libbalsa-gpgme.c
+++ b/libbalsa/libbalsa-gpgme.c
@@ -824,7 +824,7 @@ libbalsa_gpgme_get_seckey(gpgme_protocol_t   protocol,
                                        _("No private key for protocol %s is available for the signer “%s”"),
                                        libbalsa_gpgme_protocol_name(protocol), name);
 
-                               g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL);
+                               g_signal_connect(dialog, "response", G_CALLBACK(gtk_window_destroy), NULL);
                                gtk_widget_show(dialog);
                        }
                }