fix wrongly renamed CLI options --debug-force-... to --force-...

update.php

@@ -86,8 +86,8 @@
 		"gen-search-idx" => "generate basic PostgreSQL fulltext search index",
 		"plugins-list" => "list installed plugins",
 		"debug-feed:" => ["N", "update specified feed with debug output enabled"],
-		"debug-force-refetch" => "debug update: force refetch feed data",
-		"debug-force-rehash" => "debug update: force rehash articles",
+		"force-refetch" => "debug update: force refetch feed data",
+		"force-rehash" => "debug update: force rehash articles",
 		"opml-export:" => ["USER:FILE", "export OPML of USER to FILE"],
 		"user-list" => "list all users",
 #		"user-add:" => ["USER[:PASSWORD]", "add USER, optionally without prompting for PASSWORD"],