ispell.el (ispell-program-name): Update spellchecker parameters when customized.

lisp/ChangeLog

+2012-11-05  Agustín Martín Domingo  <agustin.martin@hispalinux.es>
+
+	* textmodes/ispell.el (ispell-program-name): Update
+	spellchecker parameters when customized.
+
 2012-11-04  Glenn Morris  <rgm@gnu.org>
 	* vc/vc-svn.el (vc-svn-state-heuristic): Avoid calling svn.  (Bug#7850)

lisp/textmodes/ispell.el

@@ -357,6 +357,10 @@ Must be greater than 1."
       "ispell")
   "Program invoked by \\[ispell-word] and \\[ispell-region] commands."
   :type 'string
+  :set (lambda (symbol value)
+         (set-default symbol value)
+         (if (featurep 'ispell)
+             (ispell-set-spellchecker-params)))
   :group 'ispell)
 
 (defcustom ispell-alternate-dictionary