Fix a bug whereby the 'have_easy_codec' would be left undefined
when passing '-D enable-easy-codec-installation=no'.  Likewise,
don't rely on GStreamer's plug-in support when it's disabled.

--- totem-3.26.0/meson.build	2017-10-11 22:29:44.506280919 +0200
+++ totem-3.26.0/meson.build	2017-10-11 22:29:50.902252058 +0200
@@ -203,6 +203,8 @@ if easy_codec_option != 'no'
   missing_plugins_deps += gst_pbutils_dep
   config_h.set('ENABLE_MISSING_PLUGIN_INSTALLATION', have_easy_codec,
                description: 'Whether we can and want to do installation of missing plugins')
+else
+  have_easy_codec = false
 endif
 
 # python support

--- totem-3.26.0/src/backend/bacon-video-widget.c	2017-10-11 22:40:52.531217356 +0200
+++ totem-3.26.0/src/backend/bacon-video-widget.c	2017-10-11 22:45:44.973847231 +0200
@@ -341,6 +341,22 @@ get_type_name (GType class_type, int typ
   return value->value_nick;
 }
 
+#ifndef ENABLE_MISSING_PLUGIN_INSTALLATION
+
+gchar *
+gst_missing_plugin_message_get_installer_detail (GstMessage *message)
+{
+  return NULL;
+}
+
+char *
+gst_missing_plugin_message_get_description (GstMessage *message)
+{
+  return NULL;
+}
+
+#endif
+
 static gchar **
 bvw_get_missing_plugins_foo (const GList * missing_plugins, MsgToStrFunc func)
 {
@@ -1654,10 +1670,12 @@ bvw_handle_element_message (BaconVideoWi
       }
     }
     goto done;
+#ifdef ENABLE_MISSING_PLUGIN_INSTALLATION
   } else if (gst_is_missing_plugin_message (msg)) {
     bvw->priv->missing_plugins =
       g_list_prepend (bvw->priv->missing_plugins, gst_message_ref (msg));
     goto done;
+#endif
   } else if (strcmp (type_name, "not-mounted") == 0) {
     const GValue *val;
     GFile *file;
@@ -6109,7 +6127,9 @@ bacon_video_widget_initable_init (GInita
   GST_DEBUG ("Initialised %s", version_str);
   g_free (version_str);
 
+#ifdef ENABLE_MISSING_PLUGIN_INSTALLATION
   gst_pb_utils_init ();
+#endif
 
   /* Instantiate all the fallible plugins */
   bvw->priv->play = element_make_or_warn ("playbin", "play");