Rename md_info_t to md_handle_t in test_suite_entropy

Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/tests/suites/test_suite_entropy.function b/tests/suites/test_suite_entropy.function
index 0114745..f30651c 100644
--- a/tests/suites/test_suite_entropy.function
+++ b/tests/suites/test_suite_entropy.function
@@ -306,10 +306,10 @@
 void entropy_nv_seed( data_t * read_seed )
 {
 #if defined(MBEDTLS_ENTROPY_SHA512_ACCUMULATOR)
-    const mbedtls_md_info_t *md_info =
+    const mbedtls_md_handle_t md_info =
         mbedtls_md_info_from_type( MBEDTLS_MD_SHA512 );
 #elif defined(MBEDTLS_ENTROPY_SHA256_ACCUMULATOR)
-    const mbedtls_md_info_t *md_info =
+    const mbedtls_md_handle_t md_info =
         mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 );
 #else
 #error "Unsupported entropy accumulator"