vinagre: add patch to fix connection issues when using explicit port

fix is committed upstream: https://bugzilla.gnome.org/show_bug.cgi?id=757513

srcpkgs/vinagre/patches/fix-ipv6-interpretation.patch

@@ -0,0 +1,29 @@
+diff -upr vinagre-3.18.1.orig/vinagre/vinagre-connection.c vinagre-3.18.1/vinagre/vinagre-connection.c
+--- vinagre/vinagre-connection.c.orig	2015-09-25 13:35:42.000000000 +0200
++++ vinagre/vinagre-connection.c	2015-11-03 11:26:15.058608241 +0100
+@@ -582,7 +582,7 @@ vinagre_connection_split_string (const g
+   gchar **server, **url;
+   gint    lport;
+   gchar  *lhost;
+-  gboolean is_ipv6;
++  gchar  *tmphost;
+   gchar   ipv6_host[255] = {0,};
+   VinagreProtocol *ext;
+ 
+@@ -619,10 +619,12 @@ vinagre_connection_split_string (const g
+       return FALSE;
+     }
+ 
+-  is_ipv6 = g_strstr_len (lhost, -1, ":") != NULL;
+-
+-  if (is_ipv6)
+-    lhost = g_strconcat ("[", lhost, "]", NULL);
++  /* Assume an hostname contains more than 1 colons as an ipv6 address */
++  if(lhost[0] != '[') {
++    tmphost = g_strstr_len (lhost, -1, ":");
++    if(tmphost && g_strstr_len (tmphost+1, -1, ":") != NULL)
++      lhost = g_strconcat ("[", lhost, "]", NULL);
++  }
+ 
+   if (lhost[0] == '[')
+     {

srcpkgs/vinagre/template

@@ -1,7 +1,7 @@
 # Template file for 'vinagre'
 pkgname=vinagre
 version=3.18.1
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--disable-schemas-compile"
 hostmakedepends="pkg-config intltool itstool gnome-doc-utils"