Fix several memory leaks in the tests
diff --git a/tests/tests-c-compiler/check-src/check-70.-fwide-types.c b/tests/tests-c-compiler/check-src/check-70.-fwide-types.c
index 8152346..7891069 100644
--- a/tests/tests-c-compiler/check-src/check-70.-fwide-types.c
+++ b/tests/tests-c-compiler/check-src/check-70.-fwide-types.c
@@ -190,6 +190,7 @@
 
 	/* Save and re-load as DER */
 	save_object_as(st, ATS_DER);
+	ASN_STRUCT_FREE(asn_DEF_PDU, st);
 	st = load_object_from(expectation, buf, buf_offset, ATS_BER);
 	assert(st);