Fix libpbd tests.

git-svn-id: svn://localhost/ardour2/branches/3.0@12315 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/pbd/test/signals_test.cc

@@ -5,6 +5,14 @@ using namespace std;
 
 CPPUNIT_TEST_SUITE_REGISTRATION (SignalsTest);
 
+void
+SignalsTest::setUp ()
+{
+	if (!Glib::thread_supported ()) {
+		Glib::thread_init ();
+	}
+}
+
 class Emitter {
 public:
 	void emit () {

libs/pbd/test/signals_test.h

@@ -10,6 +10,7 @@ class SignalsTest : public CppUnit::TestFixture
 	CPPUNIT_TEST_SUITE_END ();
 
 public:
+	void setUp ();
 	void testEmission ();
 	void testDestruction ();
 	void testScopedConnectionList ();