Add fix and credit for #742 to the ChangeLog
diff --git a/ChangeLog b/ChangeLog
index 1e1420a..42307ee 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,9 @@
* 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 POLARSSL_PEM_PARSE_C. Found by omnium21. #562
+ * Fixed the templates used to generate project and solution files for Visual
+ Studio 2015 as well as the files themselves, to remove a build warning
+ generated in Visual Studio 2015. Reported by Steve Valliere. #742
= mbed TLS 1.3.18 branch 2016-10-17