[vala] tests: Add missing main() in bug641418-*.test

[Rico Tzschichholz <ricotz src gnome org>]

commit e8dbc1e1cfb501ac5f21f6d32643eb32f734b9af
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Nov 10 18:23:28 2016 +0100

    tests: Add missing main() in bug641418-*.test

 tests/objects/bug641418-1.test |    3 +++
 tests/objects/bug641418-2.test |    3 +++
 tests/objects/bug641418-3.test |    3 +++
 3 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/tests/objects/bug641418-1.test b/tests/objects/bug641418-1.test
index 5d0e8f6..e94ccf3 100644
--- a/tests/objects/bug641418-1.test
+++ b/tests/objects/bug641418-1.test
@@ -9,3 +9,6 @@ class Bar : Object, Foo {
                return null;
        }
 }
+
+void main () {
+}
diff --git a/tests/objects/bug641418-2.test b/tests/objects/bug641418-2.test
index 0488b8a..722b1ce 100644
--- a/tests/objects/bug641418-2.test
+++ b/tests/objects/bug641418-2.test
@@ -14,3 +14,6 @@ class Baz : Bar {
                return null;
        }
 }
+
+void main () {
+}
diff --git a/tests/objects/bug641418-3.test b/tests/objects/bug641418-3.test
index 3966df2..34fa840 100644
--- a/tests/objects/bug641418-3.test
+++ b/tests/objects/bug641418-3.test
@@ -14,3 +14,6 @@ class Baz<A> : Bar<A> {
                return f ();
        }
 }
+
+void main () {
+}