[Bug 6636] crash painting richedit in PAF 5.2.18

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=6636

------- Additional Comments From [e-mail]  2006-25-11 22:55 -------
Created an attachment (id=4186)
 --> (http://bugs.winehq.org/attachment.cgi?id=4186&action=view)
fix for this bug

Here's a patch to fix this bug.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/pla...

According to docs, EN_CHANGE should only be sent if ENM_CHANGE mask is sent
with the EM_SETEVENTMASK message.
The patch makes the code conform to that.