[lldb][lldb-dap][test] Skip logpoint test on Windows again

This one snuck into the previous patch. The test program needs
updating if it's ever going to work on Windows.

Author: DavidSpickett

lldb/test/API/tools/lldb-dap/breakpoint/TestDAP_logpoints.py

@@ -19,6 +19,7 @@ def setUp(self):
         self.main_basename = "main-copy.cpp"
         self.main_path = os.path.realpath(self.getBuildArtifact(self.main_basename))
 
+    @skipIfWindows
     def test_logmessage_basic(self):
         """Tests breakpoint logmessage basic functionality."""
         before_loop_line = line_number("main.cpp", "// before loop")