Unset PackagerUID before deleting an account

When removing an account, remove the user from all last packager fields
before deletion to make sure that no package bases are deleted, even if
propagation constraints are missing.

Fixes FS#53956.

Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>

web/lib/acctfuncs.inc.php

@@ -924,7 +924,7 @@ function user_delete($id) {
 	$fields_set_null = array(
 		array("PackageBases", "SubmitterUID"),
 		array("PackageBases", "MaintainerUID"),
-		array("PackageBases", "SubmitterUID"),
+		array("PackageBases", "PackagerUID"),
 		array("PackageComments", "UsersID"),
 		array("PackageComments", "DelUsersID"),
 		array("PackageRequests", "UsersID"),