Allow to forward declare of public structs #1215
Thanks to forward declare we can declare `struct` in our header file instead making #include
diff --git a/include/mbedtls/md4.h b/include/mbedtls/md4.h
index 8ee4e5c..1672e90 100644
--- a/include/mbedtls/md4.h
+++ b/include/mbedtls/md4.h
@@ -56,7 +56,7 @@
* stronger message digests instead.
*
*/
-typedef struct
+typedef struct mbedtls_md4_context
{
uint32_t total[2]; /*!< number of bytes processed */
uint32_t state[4]; /*!< intermediate digest state */