[network-manager-applet] libnm-gtk: fix the version script

[Lubomir Rintel <lkundrak src gnome org>]

commit ee073e5bbccb6d78a13b4f23f5acf196416aaad0
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Mon Mar 20 15:01:26 2017 +0100

    libnm-gtk: fix the version script
    
      >>library "libnm-gtk.so" exports symbols that are not in linker script "libnm-gtk.ver":
           1    nma_cert_chooser_vtable_file

 src/libnm-gtk/libnm-gtk.ver |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/libnm-gtk/libnm-gtk.ver b/src/libnm-gtk/libnm-gtk.ver
index 6e9d3b1..8cae91d 100644
--- a/src/libnm-gtk/libnm-gtk.ver
+++ b/src/libnm-gtk/libnm-gtk.ver
@@ -41,4 +41,5 @@ global:
        nma_cert_chooser_validate;
 local:
        nma_file_cert_chooser_*;
+       nma_cert_chooser_vtable_*;
 } libnm_gtk_1_0_6;