[NetworkManager-openconnect] Link plugin against glib explicitly

[David Woodhouse <dwmw2 src gnome org>]

commit 205d33d370092230b104276a1d5a78cfe5e7fe80
Author: David Woodhouse <dwmw2 infradead org>
Date:   Thu Apr 28 15:13:14 2022 +0100

    Link plugin against glib explicitly
    
    Fixes #68

 Makefile.am | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/Makefile.am b/Makefile.am
index 2d5ec79..bcd8d21 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -132,6 +132,7 @@ properties_libnm_vpn_plugin_openconnect_la_CFLAGS = \
        $(LIBNM_CFLAGS)
 
 properties_libnm_vpn_plugin_openconnect_la_LIBADD = \
+       $(GLIB_LIBS) \
        $(LIBNM_LIBS) \
        $(OPENCONNECT_LIBS) \
        $(DL_LIBS) \