[NetworkManager-openconnect] Add gmodule-2.0 to plugin link

[David Woodhouse <dwmw2 src gnome org>]

commit 9104cc89a879d4894c0998c8d71e42ae6b36b786
Author: David Woodhouse <dwmw2 infradead org>
Date:   Thu Apr 28 15:44:50 2022 +0100

    Add gmodule-2.0 to plugin link
    
    Should really fix #88 this time.

 Makefile.am  | 2 ++
 configure.ac | 1 +
 2 files changed, 3 insertions(+)
---
diff --git a/Makefile.am b/Makefile.am
index bcd8d21..487043c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -114,6 +114,7 @@ editor_sources = \
 
 properties_cppflags = \
        $(GLIB_CFLAGS) \
+       $(GMODULE_CFLAGS) \
        $(OPENCONNECT_CFLAGS) \
        -I$(top_srcdir)/shared \
        -DLOCALEDIR=\"$(datadir)/locale\"
@@ -133,6 +134,7 @@ properties_libnm_vpn_plugin_openconnect_la_CFLAGS = \
 
 properties_libnm_vpn_plugin_openconnect_la_LIBADD = \
        $(GLIB_LIBS) \
+       $(GMODULE_LIBS) \
        $(LIBNM_LIBS) \
        $(OPENCONNECT_LIBS) \
        $(DL_LIBS) \
diff --git a/configure.ac b/configure.ac
index 48e8550..e4a194c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -110,6 +110,7 @@ PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.34)
 GLIB_CFLAGS="$GLIB_CFLAGS -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_34"
 GLIB_CFLAGS="$GLIB_CFLAGS -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_34"
 
+PKG_CHECK_MODULES(GMODULE, gmodule-2.0)
 PKG_CHECK_MODULES(LIBXML, libxml-2.0)
 
 if test x"$with_gnome" != xno || test x"$with_gtk4" != xno; then