[Chicken-janitors] [Chicken-bugs] #324: add note in README about "CHICKEN" make variable

[Chicken Scheme]

#324: add note in README about "CHICKEN" make variable
-------------------+--------------------------------------------------------
Reporter:  felix   |       Owner:              
    Type:  defect  |      Status:  new         
Priority:  minor   |   Component:  build system
 Version:  2.7     |    Keywords:              
-------------------+--------------------------------------------------------
 By default, `$(PREFIX)/bin/chicken` is used, which may not always be
 correct.

-- 
Ticket URL: <http://trac.callcc.org/ticket/324>
Chicken Scheme <http://www.call-with-current-continuation.org/>
The CHICKEN Scheme-to-C compiler