attempt to disable multi-defined symbol on windows for basic test

CppunitTest_basic_enable.mk & test_basic_enable.dll seems to suffer for some strange multiple defined symbol crack which is killing the tinderboxes, disable for the moment

Change-Id: I1584c11a0445ac36c138ae075ca365ad4b2effe1

basic/Module_basic.mk

@@ -36,7 +36,8 @@ $(eval $(call gb_Module_add_targets,basic,\
 
 $(eval $(call gb_Module_add_check_targets,basic,\
      CppunitTest_basic_scanner \
-     CppunitTest_basic_enable \
+     $(if $(filter-out $(OS),WIN), \
+         CppunitTest_basic_enable \
 ))
 
 endif