Rename the _ret() functions

Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
diff --git a/include/mbedtls/md2.h b/include/mbedtls/md2.h
index 950afa2..2ad31cf 100644
--- a/include/mbedtls/md2.h
+++ b/include/mbedtls/md2.h
@@ -114,7 +114,7 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md2_starts_ret( mbedtls_md2_context *ctx );
+int mbedtls_md2_starts( mbedtls_md2_context *ctx );
 
 /**
  * \brief          MD2 process buffer
@@ -130,9 +130,9 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md2_update_ret( mbedtls_md2_context *ctx,
-                            const unsigned char *input,
-                            size_t ilen );
+int mbedtls_md2_update( mbedtls_md2_context *ctx,
+                        const unsigned char *input,
+                        size_t ilen );
 
 /**
  * \brief          MD2 final digest
@@ -147,8 +147,8 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md2_finish_ret( mbedtls_md2_context *ctx,
-                            unsigned char output[16] );
+int mbedtls_md2_finish( mbedtls_md2_context *ctx,
+                        unsigned char output[16] );
 
 /**
  * \brief          MD2 process data block (internal use only)
@@ -176,9 +176,9 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md2_ret( const unsigned char *input,
-                     size_t ilen,
-                     unsigned char output[16] );
+int mbedtls_md2( const unsigned char *input,
+                 size_t ilen,
+                 unsigned char output[16] );
 
 #if defined(MBEDTLS_SELF_TEST)