Add changelog entry for #3176: new error functions
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/ChangeLog.d/error_const.txt b/ChangeLog.d/error_const.txt
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+Features
+ * New functions in the error module return constant strings for
+ high- and low-level error codes, complementing mbedtls_strerror
+ which constructs a string for any error code, including compound
+ ones, but requires a writable buffer. Contributed by Gaurav Aggarwal
+ in #3176.
