Include fixups (headers moves to private directory)

Signed-off-by: Anton Matkin <anton.matkin@arm.com>
diff --git a/programs/ssl/ssl_test_lib.h b/programs/ssl/ssl_test_lib.h
index 20dbe61..1dda8d6 100644
--- a/programs/ssl/ssl_test_lib.h
+++ b/programs/ssl/ssl_test_lib.h
@@ -43,9 +43,9 @@
 #include "mbedtls/net_sockets.h"
 #include "mbedtls/ssl.h"
 #include "mbedtls/ssl_ciphersuites.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/hmac_drbg.h"
+#include "mbedtls/private/entropy.h"
+#include "mbedtls/private/ctr_drbg.h"
+#include "mbedtls/private/hmac_drbg.h"
 #include "mbedtls/x509.h"
 #include "mbedtls/error.h"
 #include "mbedtls/debug.h"