Fix XEmacs 21.4 build failure from the last change

diff --git a/lisp/nnimap.el b/lisp/nnimap.el
index c5b77db..4c75f72 100644 (file)
--- a/lisp/nnimap.el
+++ b/lisp/nnimap.el
@@ -208,8 +208,7 @@ textual parts.")
          (delete-region (+ (match-beginning 0) 2) (point))
          (setq string (buffer-substring (point) (+ (point) size)))
          (delete-region (point) (+ (point) size))
-         (insert (format "%S" (subst-char-in-string
-                               ?\n ?\s string))))
+         (insert (format "%S" (mm-subst-char-in-string ?\n ?\s string))))
        (beginning-of-line)
        (setq article
              (and (re-search-forward "UID \\([0-9]+\\)" (line-end-position)