Fix tramp bug with empty explicit path

lisp/ChangeLog

+2014-02-27  Daniel Colascione  <dancol@dancol.org>
+
+	* minibuffer.el (completion--nth-completion): Fix indentation.
+
+	* net/tramp-sh.el (tramp-get-remote-path): Don't signal error when
+	explicit tramp path is empty.
+
 2014-02-27  Glenn Morris  <rgm@gnu.org>
 
 	* emacs-lisp/crm.el (completing-read-multiple):

lisp/minibuffer.el

@@ -850,12 +850,12 @@ completing buffer and file names, respectively."
              (setq table (pop new))
              (setq point (pop new))
              (pop new))))
-       (result
-        (completion--some (lambda (style)
-                            (funcall (nth n (assq style
-                                                  completion-styles-alist))
-                                     string table pred point))
-                          (completion--styles metadata))))
+        (result
+         (completion--some (lambda (style)
+                             (funcall (nth n (assq style
+                                                   completion-styles-alist))
+                                      string table pred point))
+                           (completion--styles metadata))))
     (if requote
         (funcall requote result n)
       result)))

lisp/net/tramp-sh.el

@@ -4846,7 +4846,7 @@ Return ATTR."
       (when elt1
 	(setcdr elt1
 		(append
- 		 (tramp-compat-split-string default-remote-path ":")
+ 		 (tramp-compat-split-string (or default-remote-path "") ":")
 		 (cdr elt1)))
 	(setq remote-path (delq 'tramp-default-remote-path remote-path)))
 
@@ -4854,7 +4854,7 @@ Return ATTR."
       (when elt2
 	(setcdr elt2
 		(append
- 		 (tramp-compat-split-string own-remote-path ":")
+ 		 (tramp-compat-split-string (or own-remote-path "") ":")
 		 (cdr elt2)))
 	(setq remote-path (delq 'tramp-own-remote-path remote-path)))