Remove preprocessor directives around platform_util.h include
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index 313938e..09b7a3f 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -38,6 +38,7 @@
 #include "mbedtls/debug.h"
 #include "mbedtls/ssl.h"
 #include "mbedtls/ssl_internal.h"
+#include "mbedtls/platform_util.h"
 
 #include <string.h>
 
@@ -49,10 +50,6 @@
 #include "mbedtls/platform_time.h"
 #endif
 
-#if defined(MBEDTLS_SSL_SESSION_TICKETS)
-#include "mbedtls/platform_util.h"
-#endif
-
 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
 int mbedtls_ssl_set_client_transport_id( mbedtls_ssl_context *ssl,
                                  const unsigned char *info,