[NetworkManager-fortisslvpn] pinentry: fix a format-security error

[Lubomir Rintel <lkundrak src gnome org>]

commit 701f6f6f66f10e0b2ec6b0d6af80d1a8ec226a55
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Tue Jul 16 13:20:41 2019 +0200

    pinentry: fix a format-security error

 src/nm-fortisslvpn-pinentry.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/nm-fortisslvpn-pinentry.c b/src/nm-fortisslvpn-pinentry.c
index 91adaff..fadbddf 100644
--- a/src/nm-fortisslvpn-pinentry.c
+++ b/src/nm-fortisslvpn-pinentry.c
@@ -131,7 +131,7 @@ main (int argc, char *argv[])
                        g_free (escaped);
                } else {
                        /* You're not my real pinentry program! */
-                       g_printerr (line);
+                       g_printerr ("Error: line from pinentry not understood: '%s'\n", line);
                        g_print ("ERR 666 Not understood\n");
                }
                g_free (line);