user data corrupted in database

Hi,
I encountered a bug when:
- new user was created in member section
- this user was linked to existing dolibarr user which is used for login
- user in members section was deleted
- members module was disabled
- tried to change password or any other data for dolibarr user I got mysql error. From syntax it looked that id field in query was empty. I deleted this user and created the new one to resolve problem.

I can confirm this problem is happening also in the latest git version.

I created the bug ticket #501 for this problem in doliforge.org.
https://doliforge.org/tracker/?func=detail&aid=501&atid=246&group_id=144

Thank you for reporting this errors.