x509_crt_parse() did not increase total_failed on PEM error

Result was that PEM errors in files with multiple certificates were not
detectable by the user.
diff --git a/ChangeLog b/ChangeLog
index 1ec1ca8..52ec606 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -21,6 +21,7 @@
    * ssl_close_notify() could send more than one message in some circumstances
      with non-blocking I/O.
    * Fix compiler warnings on iOS (found by Sander Niemeijer).
+   * x509_crt_parse() did not increase total_failed on PEM error
 
 Changes
    * Ciphersuites using SHA-256 or SHA-384 now require TLS 1.x (there is no