Rm _CRT_SECURE_NO_DEPRECATE for programs

(Already in config.h.)
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 19e4d90..e8a49db 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -23,9 +23,7 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef _CRT_SECURE_NO_DEPRECATE
-#define _CRT_SECURE_NO_DEPRECATE 1
-#endif
+#include "polarssl/config.h"
 
 #include <string.h>
 #include <stdlib.h>
@@ -44,8 +42,6 @@
 #endif
 #endif
 
-#include "polarssl/config.h"
-
 #include "polarssl/base64.h"
 #include "polarssl/error.h"
 #include "polarssl/net.h"