[vinagre] Fix building against newer FreeRDP versions

[David King <davidk src gnome org>]

commit 89cc8bfeaf47a24c57616021915b30bbc4d12d53
Author: Nick Andrade <SDNick484 gmail com>
Date:   Sat May 16 08:03:29 2015 +0100

    Fix building against newer FreeRDP versions
    
    https://bugzilla.gnome.org/show_bug.cgi?id=749124

 plugins/rdp/vinagre-rdp-tab.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/plugins/rdp/vinagre-rdp-tab.c b/plugins/rdp/vinagre-rdp-tab.c
index c4c11f8..690a580 100644
--- a/plugins/rdp/vinagre-rdp-tab.c
+++ b/plugins/rdp/vinagre-rdp-tab.c
@@ -887,7 +887,6 @@ open_freerdp (VinagreRdpTab *rdp_tab)
   settings->RdpSecurity = TRUE;
   settings->TlsSecurity = TRUE;
   settings->NlaSecurity = TRUE;
-  settings->DisableEncryption = FALSE;
   settings->EncryptionMethods = ENCRYPTION_METHOD_40BIT | ENCRYPTION_METHOD_128BIT | ENCRYPTION_METHOD_FIPS;
   settings->EncryptionLevel = ENCRYPTION_LEVEL_CLIENT_COMPATIBLE;
 #else
@@ -898,6 +897,12 @@ open_freerdp (VinagreRdpTab *rdp_tab)
   settings->encryption_method = ENCRYPTION_METHOD_40BIT | ENCRYPTION_METHOD_128BIT | ENCRYPTION_METHOD_FIPS;
   settings->encryption_level = ENCRYPTION_LEVEL_CLIENT_COMPATIBLE;
 #endif
+#include <freerdp/version.h>
+#if (FREERDP_VERSION_MAJOR == 1 && FREERDP_VERSION_MINOR >= 2 && FREERDP_VERSION_REVISION >= 1)
+  settings->UseRdpSecurityLayer = FALSE;
+#else
+  settings->DisableEncryption = FALSE;
+#endif
 
   /* Set display size */
 #if HAVE_FREERDP_1_1