pk_sign: fix overriding and ignoring return values
diff --git a/ChangeLog b/ChangeLog
index dd04b1d..d63b604 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -24,6 +24,8 @@
      ECPrivateKey structure. Found by jethrogb, fixed in #1379.
    * Return plaintext data sooner on unpadded CBC decryption, as stated in
      the mbedtls_cipher_update() documentation. Contributed by Andy Leiserson.
+   * Fix overriding and ignoring return values when parsing and writing to
+     a file in pk_sign program. Found by kevlut in #1142.
 
 Changes
    * Improve testing in configurations that omit certain hashes or