[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.

(cherry picked from commit ae34257)

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")