change test function includes to use one convention
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 701ed00..63f35a6 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -1,8 +1,8 @@
/* BEGIN_HEADER */
-#include <polarssl/x509_crt.h>
-#include <polarssl/x509_csr.h>
-#include <polarssl/pem.h>
-#include <polarssl/oid.h>
+#include "polarssl/x509_crt.h"
+#include "polarssl/x509_csr.h"
+#include "polarssl/pem.h"
+#include "polarssl/oid.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES