[Fix #1439] Wrong arguments in calls to sync-request

Author: Malabarba

cider-client.el

@@ -664,7 +664,7 @@ If CALLBACK is nil, use `cider-load-file-handler'."
                                        "ns" (cider-current-ns)
                                        "symbol" str
                                        "context" context)
-                     (cider-nrepl-send-sync-request 'abort-on-input))))
+                     (cider-nrepl-send-sync-request nil 'abort-on-input))))
     (nrepl-dict-get dict "completions")))
 
 (defun cider-sync-request:info (symbol &optional class member)
@@ -688,7 +688,7 @@ If CALLBACK is nil, use `cider-load-file-handler'."
                                     ,@(when symbol (list "symbol" symbol))
                                     ,@(when class (list "class" class))
                                     ,@(when member (list "member" member)))
-                      (cider-nrepl-send-sync-request 'abort-on-input))))
+                      (cider-nrepl-send-sync-request nil 'abort-on-input))))
     (if (member "no-eldoc" (nrepl-dict-get eldoc "status"))
         nil
       eldoc)))

nrepl-client.el

@@ -897,7 +897,8 @@ REQUEST is a pair list of the form (\"op\" \"operation\" \"par1-name\"
 \"par1\" ... ). See the code of `nrepl-request:clone',
 `nrepl-request:stdin', etc.
 Return the ID of the sent message."
-  (with-current-buffer connection
+  (with-current-buffer (if (bufferp connection) connection
+                         (current-buffer))
     (unless (or (plist-get request "session")
                 (not nrepl-session))
       (setq request (append request (list "session" nrepl-session))))