Simplify ecdsa_context
diff --git a/ChangeLog b/ChangeLog
index 8453794..e40b929 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -38,6 +38,7 @@
    * Change md_info_t into an opaque structure (use md_get_xxx() accessors).
    * Remove sig_oid2 and rename sig_oid1 to sig_oid in x509_crt and x509_crl.
    * x509_crt.key_usage changed from unsigned char to unsigned int.
+   * Remove r and s from ecdsa_context
 
 Default behavior changes
    * RC4 is now blacklisted by default in the SSL/TLS layer, and excluded from the