Small fixes (upgrade Vala)

src/loader/PluginLoader.vala

@@ -34,7 +34,7 @@ namespace GObject {
 			 * Loads the module.
 			 */
 			public override bool load () {
-				module = GLib.Module.open (path, GLib.ModuleFlags.BIND_LAZY);
+				module = GLib.Module.open (path, GLib.ModuleFlags.LAZY);
 				if (null == module) {
 					stderr.printf("Cannot load module %s\n", path);
 					return false;

test/plugins/typeA/typeA1/TypeA1.vala

@@ -25,11 +25,12 @@ public class TypeA1 : PluginTypeA {
 	public override void method_a () {
 		stdout.puts ("TypeA1.method_a () called\n");
 		stdout.puts ("Call IHostLoaderTest.method_host () from TypeA1:\n  ");
-		(host as IHostLoaderTest).method_host ();
+		var test = host as IHostLoaderTest;
+		if (test != null) test.method_host ();
 	}
 }
 
 [ModuleInit]
-Type plugin_init (GLib.TypeModule type_module) {
+public Type plugin_init (GLib.TypeModule type_module) {
 	return typeof (TypeA1);
 }

test/plugins/typeA/typeA2/TypeA2.vala

@@ -28,6 +28,6 @@ public class TypeA2 : PluginTypeA {
 }
 
 [ModuleInit]
-Type plugin_init (GLib.TypeModule type_module) {
+public Type plugin_init (GLib.TypeModule type_module) {
 	return typeof (TypeA2);
 }

test/plugins/typeB/typeB1/TypeB1.vala

@@ -29,6 +29,6 @@ public class TypeB1 : PluginTypeB {
 }
 
 [ModuleInit]
-Type plugin_init (GLib.TypeModule type_module) {
+public Type plugin_init (GLib.TypeModule type_module) {
 	return typeof (TypeB1);
 }

test/plugins/typeB/typeB2/TypeB2.vala

@@ -29,6 +29,6 @@ public class TypeB2 : PluginTypeB {
 }
 
 [ModuleInit]
-Type plugin_init (GLib.TypeModule type_module) {
+public Type plugin_init (GLib.TypeModule type_module) {
 	return typeof (TypeB2);
 }