Clarify fix for #673 in Changelog
Clarified fix, and added credit.
diff --git a/ChangeLog b/ChangeLog
index 9bbefcd..fd77f70 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,8 +3,9 @@
= mbed TLS 2.1.x branch released xxxx-xx-xx
Bugfix
- * Fix redefinition of macro ssl_set_bio to undefined symbol
- mbedtls_ssl_set_bio_timeout in compat-1.3.h. #673
+ * Fix the redefinition of macro ssl_set_bio to an undefined symbol
+ mbedtls_ssl_set_bio_timeout in compat-1.3.h, by removing it.
+ Found by omlib-lin. #673
* Fix unused variable/function compilation warnings in pem.c and x509_csr.c
that are reported when building mbed TLS with a config.h that does not
define MBEDTLS_PEM_PARSE_C. #562