Add dummy def of MBEDTLS_MD_INFO_SHA256 to make check-names.sh happy
diff --git a/include/mbedtls/md_internal.h b/include/mbedtls/md_internal.h
index 568c971..b1bb7e3 100644
--- a/include/mbedtls/md_internal.h
+++ b/include/mbedtls/md_internal.h
@@ -73,6 +73,9 @@
  * Message-digest information macro definition
  */
 
+/* Dummy definition to keep check-names.sh happy - don't uncomment */
+//#define MBEDTLS_MD_INFO_SHA256
+
 /* SHA-256 */
 #define MBEDTLS_MD_INFO_SHA256_TYPE         MBEDTLS_MD_SHA256
 #define MBEDTLS_MD_INFO_SHA256_NAME         "SHA256"