Remove superfluous new line in x509.c
diff --git a/library/x509.c b/library/x509.c
index f1c96a8..89645a7 100644
--- a/library/x509.c
+++ b/library/x509.c
@@ -433,7 +433,6 @@
                                       unsigned char const *end,
                                       mbedtls_x509_buf *oid,
                                       mbedtls_x509_buf *val )
-
 {
     int ret;
     size_t set_len;