(ange-ftp-dumb-unix-host): Avoid error if HOST is nil.

diff --git a/lisp/ange-ftp.el b/lisp/ange-ftp.el
index b2824d02bd261141be301609e9e28076b2f93d65..0983fc2180da84ba4c5f18501d831993b80d3b05 100644 (file)
--- a/lisp/ange-ftp.el
+++ b/lisp/ange-ftp.el
@@ -653,6 +653,7 @@ parenthesized expressions in REGEXP for the components (in that order).")
 (defvar ange-ftp-skip-msgs
   (concat "^200 \\(PORT\\|Port\\) \\|^331 \\|^150 \\|^350 \\|^[0-9]+ bytes \\|"
          "^Connected \\|^$\\|^Remote system\\|^Using\\|^ \\|Password:\\|"
+         "^Data connection \\|"
          "^local:\\|^Trying\\|^125 \\|^550-\\|^221 .*oodbye")
   "*Regular expression matching ftp messages that can be ignored.")
 
@@ -2204,7 +2205,7 @@ Works by doing a pwd and examining the directory syntax."
 ;; Returns whether HOST's FTP server doesn't like \'ls\' or \'dir\' commands
 ;; to take switch arguments.
 (defun ange-ftp-dumb-unix-host (host)
-  (and ange-ftp-dumb-unix-host-regexp
+  (and host ange-ftp-dumb-unix-host-regexp
        (save-match-data
         (string-match ange-ftp-dumb-unix-host-regexp host))))