Add missing newline

Newline character was missing from end of print
statement.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/programs/psa/psa_hash.c b/programs/psa/psa_hash.c
index 9b02255..c759722 100644
--- a/programs/psa/psa_hash.c
+++ b/programs/psa/psa_hash.c
@@ -107,7 +107,7 @@
 
     status = psa_hash_clone(&hash_operation, &cloned_hash_operation);
     if (status != PSA_SUCCESS) {
-        mbedtls_printf("PSA hash clone failed");
+        mbedtls_printf("PSA hash clone failed\n");
         goto cleanup;
     }