Fixes platform time_t abstraction
Fixes platform abstraction in error.c and the file that it's generated
from as well as DTLS samples.
diff --git a/programs/ssl/dtls_client.c b/programs/ssl/dtls_client.c
index b37eb83..14fb612 100644
--- a/programs/ssl/dtls_client.c
+++ b/programs/ssl/dtls_client.c
@@ -31,6 +31,7 @@
#include <stdio.h>
#define mbedtls_printf printf
#define mbedtls_fprintf fprintf
+#define mbedtls_time_t time_t
#endif
#if !defined(MBEDTLS_SSL_CLI_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) || \