[Chicken-janitors] #400: fix extensions that refer to the regex library unit using `(declare (uses ...))'

[Chicken Trac]

#400: fix extensions that refer to the regex library unit using `(declare (uses
...))'
------------------------+---------------------------------------------------
 Reporter:  felix       |       Owner:       
     Type:  defect      |      Status:  new  
 Priority:  critical    |   Milestone:  4.7.0
Component:  extensions  |     Version:  4.6.x
 Keywords:  regex       |  
------------------------+---------------------------------------------------
 These must use `require-extension`, or they will not be able to use the
 eggified regex API.

-- 
Ticket URL: <http://bugs.call-cc.org/ticket/400>
Chicken Scheme <http://www.call-with-current-continuation.org/>
Chicken Scheme is a compiler for the Scheme programming language.