Merge branch 'pr_726' into development-proposed

ChangeLog

diff --git a/ChangeLog b/ChangeLog
index 0ba0134..e179989 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,10 @@
 
 = mbed TLS x.x.x branch released xxxx-xx-xx
 
+Bugfix
+   * Fix spurious uninitialized variable warning in cmac.c. Fix independently
+     contributed by Brian J Murray and David Brown.
+
 Changes
    * Remove some redundant code in bignum.c. Contributed by Alexey Skalozub.