Use glib helper function to set sigterm signal. Fixes #12

NEWS

@@ -1,3 +1,8 @@
+Overview of changes in lightdm-webkit-greeter 0.2.2
+
+    * Call gtk_init() as early as possible to prevent widget drawing failures.
+    * Use glib helper function to set sigterm signal
+
 Overview of changes in lightdm-webkit-greeter 0.2.1
 
     * Handle tasks that a WM would normally handle.

configure.ac

@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT(lightdm-webkit2-greeter, 0.2.1)
+AC_INIT(lightdm-webkit2-greeter, 0.2.2)
 AC_SUBST(THEME_DIR)
 AC_CONFIG_HEADER(config.h)
 

src/lightdm-webkit2-greeter.c

@@ -108,9 +108,9 @@ main(int argc, char **argv) {
     gchar *theme;
     GdkRGBA bg_color;
 
-    gtk_init(&argc, &argv);
+    g_unix_signal_add(SIGTERM, (GSourceFunc)sigterm_cb, /* is_callback */ GINT_TO_POINTER (TRUE));
 
-    signal(SIGTERM, sigterm_cb);
+    gtk_init(&argc, &argv);
 
     WebKitWebContext *context = webkit_web_context_get_default();
     g_signal_connect(context,