Cosmetic change

Make one of the name listing scripts happier
diff --git a/include/mbedtls/md_wrap.h b/include/mbedtls/md_wrap.h
index 418b3f1..94d9145 100644
--- a/include/mbedtls/md_wrap.h
+++ b/include/mbedtls/md_wrap.h
@@ -44,7 +44,8 @@
  * Message digest information.
  * Allows message digest functions to be called in a generic way.
  */
-struct _md_info_t {
+struct _md_info_t
+{
     /** Digest identifier */
     md_type_t type;