context is now optional

diff --git a/skeletons/NativeReal.c b/skeletons/NativeReal.c
index 1566a7f..1151087 100644
--- a/skeletons/NativeReal.c
+++ b/skeletons/NativeReal.c
@@ -48,7 +48,6 @@
 	void **dbl_ptr, void *buf_ptr, size_t size, int tag_mode) {
 	double *Dbl = (double *)*dbl_ptr;
 	ber_dec_rval_t rval;
-	ber_dec_ctx_t ctx = { 0, 0, 0, 0 };
 	ber_tlv_len_t length;
 
 	/*
@@ -69,8 +68,7 @@
 	/*
 	 * Check tags.
 	 */
-	rval = ber_check_tags(td, &ctx,
-		buf_ptr, size, tag_mode, &length, 0);
+	rval = ber_check_tags(td, 0, buf_ptr, size, tag_mode, &length, 0);
 	if(rval.code != RC_OK)
 		return rval;