Adding entry for Win32DPIUtilTests to run for windows only

Author: ShahzaibIbrahim

tests/org.eclipse.swt.tests.win32/JUnit Tests/org/eclipse/swt/tests/win32/AllWin32Tests.java

@@ -27,7 +27,8 @@
 	Test_org_eclipse_swt_dnd_DND.class,
 	Test_org_eclipse_swt_events_KeyEvent.class,
 	Test_org_eclipse_swt_widgets_Display.class,
-	TestTreeColumn.class
+	TestTreeColumn.class,
+	Win32DPIUtilTests.class
 })
 
 public class AllWin32Tests {