lisp/mucs-ccl.el to fix the bug which causes an error "Symbol's value as
variable is void: progn" when evaluating "(require 'un-define)" or
"(require 'jisx0213)".
bump PKGREVISION to 3.
Mule-UCS is an Emacs Lisp library providing flexible and complehensible
encoding mechanism to Emacs. As the name suggests, it supports Unicode, which
the original Emacs doesn't support.
