Changes x509_csr to x509write_csr
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 10338aa..53fb3ed 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -16,7 +16,7 @@
 {
     rsa_context rsa;
     pem_context pem;
-    x509_csr req;
+    x509write_csr req;
     unsigned char *c;
     unsigned char buf[4000];
     unsigned char check_buf[4000];