[vinagre] Accept IPv6 addresses

[David King <davidk src gnome org>]

commit 1b2df81a539dbdb629466cd1f670545d1b4768d6
Author: Manuel Bachmann <manuel bachmann iot bzh>
Date:   Thu Sep 24 23:43:33 2015 +0200

    Accept IPv6 addresses
    
    We now accept entering IPv6 address in the "host" field directly; using
    a hostname or alias for IPv6-only servers is no longer required.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=710173
    
    Signed-off-by: Manuel Bachmann <manuel bachmann iot bzh>

 vinagre/vinagre-connection.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/vinagre/vinagre-connection.c b/vinagre/vinagre-connection.c
index 3a3b9ac..812ae92 100644
--- a/vinagre/vinagre-connection.c
+++ b/vinagre/vinagre-connection.c
@@ -582,6 +582,7 @@ vinagre_connection_split_string (const gchar *uri,
   gchar **server, **url;
   gint    lport;
   gchar  *lhost;
+  gboolean is_ipv6;
   gchar   ipv6_host[255] = {0,};
   VinagreProtocol *ext;
 
@@ -618,6 +619,11 @@ vinagre_connection_split_string (const gchar *uri,
       return FALSE;
     }
 
+  is_ipv6 = g_strstr_len (lhost, -1, ":") != NULL;
+
+  if (is_ipv6)
+    lhost = g_strconcat ("[", lhost, "]", NULL);
+
   if (lhost[0] == '[')
     {
       int i;