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/oid.h b/include/mbedtls/oid.h
index 408645e..bd4f179 100644
--- a/include/mbedtls/oid.h
+++ b/include/mbedtls/oid.h
@@ -388,7 +388,8 @@
/**
* \brief Base OID descriptor structure
*/
-typedef struct {
+typedef struct mbedtls_oid_descriptor_t
+{
const char *asn1; /*!< OID ASN.1 representation */
size_t asn1_len; /*!< length of asn1 */
const char *name; /*!< official name (e.g. from RFC) */