CppunitTest_sw_uiwriter: enable on Windows

I hope that the underlying problem is fixed now by commit
670100fcfbb39d3dbe4afdb27fbced26d7b14283 (Remove FastLoader
optimization, 2015-06-10).

Change-Id: I1cb577ec1f50a45b40683031e79c0999338a2926
diff --git a/sw/qa/extras/uiwriter/uiwriter.cxx b/sw/qa/extras/uiwriter/uiwriter.cxx
index 518ec6b..5c9313d 100644
--- a/sw/qa/extras/uiwriter/uiwriter.cxx
+++ b/sw/qa/extras/uiwriter/uiwriter.cxx
@@ -1056,7 +1056,7 @@ void SwUiWriterTest::testTdf90883TableBoxGetCoordinates()

void SwUiWriterTest::testEmbeddedDataSource()
{
#if !defined(WNT) && !defined(MACOSX)
#if !defined(MACOSX)
    // Initially no data source.
    uno::Reference<uno::XComponentContext> xComponentContext(comphelper::getProcessComponentContext());
    uno::Reference<sdb::XDatabaseContext> xDatabaseContext = sdb::DatabaseContext::create(xComponentContext);