ispell.el (ispell-add-per-file-word-list): Use `concat' to create string for insertion.

Fixes: debbugs:8579

lisp/ChangeLog

+2011-05-03  Agustín Martín Domingo  <agustin.martin@hispalinux.es>
+
+	* textmodes/ispell.el (ispell-add-per-file-word-list):
+	Use `concat' for string.
+
 2011-05-03  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* textmodes/bibtex.el (bibtex-fill-field-bounds, bibtex-fill-entry):

lisp/textmodes/ispell.el

@@ -3916,7 +3916,7 @@ Both should not be used to define a buffer-local dictionary."
 		    (open-line 1)
 		    (unless found (newline))
 		    (insert (if comment-start
-                                (progn
+                                (concat
                                   (if (fboundp 'comment-padright)
                                       ;; Try and use the proper comment marker,
                                       ;; e.g. ";;" rather than ";".