Fixup warning and notice form missing parameter to OATHUser::regenerateScratchTokens()

Warning: Missing argument 1 for OATHUser::regenerateScratchTokens(), called in
/var/www/wiki/mediawiki/extensions/OATHAuth/OATHUser.php on line 42 and defined
in /var/www/wiki/mediawiki/extensions/OATHAuth/OATHUser.php on line 56

Change-Id: I52a683f9680661df5d506e48d83509f35b145e26
Notice: Undefined variable: reset in /var/www/wiki/mediawiki/extensions/OATHAuth/OATHUser.php on line 61
Merge "Fixup warning and notice form missing parameter to OATHUser::regenerateScratchTokens()"