Attempt to work around Mac g++ 4.0 bug in fswatcher unit test.

Don't define the class overriding a virtual base class method inside the test
function as g++ 4.0 under OS X 10.5 fails to compile this for some mysterious
reason.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67722 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

tests/fswatcher/fswatchertest.cpp

@@ -614,13 +614,23 @@ void FileSystemWatcherTestCase::TestEventAccess()
     tester.Run();
 }
 
-void FileSystemWatcherTestCase::TestNoEventsAfterRemove()
+namespace
 {
-    class EventTester : public EventHandler,
+
+// We can't define this class locally inside TestNoEventsAfterRemove() for some
+// reason with g++ 4.0 under OS X 10.5, it results in the following mysterious
+// error:
+//
+// /var/tmp//ccTkNCkc.s:unknown:Non-global symbol:
+// __ZThn80_ZN25FileSystemWatcherTestCase23TestNoEventsAfterRemoveEvEN11EventTester6NotifyEv.eh
+// can't be a weak_definition
+//
+// So define this class outside the function instead.
+class NoEventsAfterRemoveEventTester : public EventHandler,
                                        public wxTimer
-    {
-    public:
-        EventTester()
+{
+public:
+    NoEventsAfterRemoveEventTester()
     {
         // We need to use an inactivity timer as we never get any file
         // system events in this test, so we consider that the test is
@@ -651,8 +661,12 @@ void FileSystemWatcherTestCase::TestNoEventsAfterRemove()
     {
         SendIdle();
     }
-    };
+};
 
-    EventTester tester;
+} // anonymous namespace
+
+void FileSystemWatcherTestCase::TestNoEventsAfterRemove()
+{
+    NoEventsAfterRemoveEventTester tester;
     tester.Run();
 }