[network-manager-openvpn] properties: fix parsing remotes when checking gateway entry

[Thomas Haller <thaller src gnome org>]

commit 74e2f1f789a8bc0dfd43f51a3d8301cbda597947
Author: Thomas Haller <thaller redhat com>
Date:   Mon Jan 8 21:37:48 2018 +0100

    properties: fix parsing remotes when checking gateway entry
    
    Otherwise, ",," appears to be a valid remoted.
    
    Fixes: 3c5c7efba75ffd121be3b0ac179c36ca9aa772b0
    
    https://bugzilla.gnome.org/show_bug.cgi?id=792252

 properties/nm-openvpn-editor.c |   15 ++++++++-------
 1 files changed, 8 insertions(+), 7 deletions(-)
---
diff --git a/properties/nm-openvpn-editor.c b/properties/nm-openvpn-editor.c
index bd0aadc..f8e0277 100644
--- a/properties/nm-openvpn-editor.c
+++ b/properties/nm-openvpn-editor.c
@@ -2145,13 +2145,14 @@ check_gateway_entry (const char *str)
        str_clone = g_strdup (str);
        str_iter = str_clone;
        while ((tok = strsep (&str_iter, " \t,"))) {
-               if (   tok[0]
-                   && (nmovpn_remote_parse (tok,
-                                            NULL,
-                                            NULL,
-                                            NULL,
-                                            NULL,
-                                            NULL) != -1))
+               if (!tok[0])
+                       continue;
+               if (nmovpn_remote_parse (tok,
+                                        NULL,
+                                        NULL,
+                                        NULL,
+                                        NULL,
+                                        NULL) != -1)
                   return FALSE;
                success = TRUE;
        }