Add MBEDTLS_PRIVATE wrapping to sample programs.

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 428c643..5d395c2 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -20,6 +20,9 @@
 /* Enable definition of gethostname() even when compiling with -std=c99. Must
  * be set before config.h, which pulls in glibc's features.h indirectly.
  * Harmless on other platforms. */
+
+#define MBEDTLS_ALLOW_PRIVATE_ACCESS
+
 #define _POSIX_C_SOURCE 200112L
 #define _XOPEN_SOURCE 600