Fix memory allocation

@@ -121,9 +121,8 @@ list_ref (char const *ref, char const *wcard, char const *cwd,
 	
   rc = mu_folder_create (&folder, cwd);
   if (rc)
-    {
-      return RESP_NO;
-    }
+    return RESP_NO;
+
   /* Force the right matcher */
   mu_folder_set_match (folder, mu_folder_imap_match);
 

@@ -503,7 +503,7 @@ com_connect (int argc, char **argv)
   else
     {
       connect_argc = argc;
-      connect_argv = mu_calloc (argc, sizeof (*connect_argv));
+      connect_argv = mu_calloc (argc + 1, sizeof (*connect_argv));
       for (i = 0; i < argc; i++)
 	connect_argv[i] = mu_strdup (argv[i]);
       connect_argv[i] = NULL;

@@ -237,7 +237,7 @@ com_connect (int argc, char **argv)
   else
     {
       connect_argc = argc;
-      connect_argv = mu_calloc (argc, sizeof (*connect_argv));
+      connect_argv = mu_calloc (argc + 1, sizeof (*connect_argv));
       for (i = 0; i < argc; i++)
 	connect_argv[i] = mu_strdup (argv[i]);
       connect_argv[i] = NULL;