[NetworkManager-openvpn] build: fix underlinking

[Lubomir Rintel <lkundrak src gnome org>]

commit c45e73807e3cf56cc23114e423bb8246f0c4514a
Author: Michael Biebl <biebl debian org>
Date:   Sat Mar 12 19:11:51 2022 +0100

    build: fix underlinking
    
    Link against GLIB_LIBS as nm-openvpn-editor-plugin.c uses g_module_{open,symbol,close}.
    
    https://gitlab.gnome.org/GNOME/NetworkManager-openvpn/-/merge_requests/44

 Makefile.am | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/Makefile.am b/Makefile.am
index ffe07f1..72bb8f3 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -164,6 +164,7 @@ properties_libnm_vpn_plugin_openvpn_core_la_CPPFLAGS = \
 
 properties_libnm_vpn_plugin_openvpn_core_la_LIBADD = \
        properties/libnm-vpn-plugin-openvpn-utils.la \
+       $(GLIB_LIBS) \
        $(LIBNM_LIBS) \
        $(DL_LIBS)