Windows installer: disabled Wise's "delete in-use files" uninstall

option.  It was the cause of at least one way UNWISE.EXE could vanish
(install a python; uninstall it; install it again; reboot the machine;
abracadabra the uinstaller is gone).

Bugfix candidate, but I'll backport it myself.

Misc/NEWS

@@ -184,6 +184,10 @@ Tests
 
 Windows
 
+- Sometimes the uninstall executable (UNWISE.EXE) vanishes.  One cause
+  of that has been fixed in the installer (disabled Wise's "delete in-
+  use files" uninstall option).
+
 - Fixed a bug in urllib's proxy handling in Windows.  [SF bug #503031]
 
 - The installer now installs Start menu shortcuts under (the local

PCbuild/python20.wse

@@ -2865,7 +2865,16 @@ item: Self-Register OCXs/DLLs
 end
 item: Remark
 end
-item: Add Text to INSTALL.LOG
+remarked item: Remark
+  Text=Don't enable "Delete in-use files".  Here's what happens:
+end
+remarked item: Remark
+  Text=Install Python; uninstall Python; install Python again.  Reboot the machine.
+end
+remarked item: Remark
+  Text=Now UNWISE.EXE is missing.  I think this is a Wise bug, but so it goes.
+end
+remarked item: Add Text to INSTALL.LOG
   Text=Delete in-use files: On
 end
 item: Remark