change test function includes to use one convention
diff --git a/tests/suites/test_suite_ecdh.function b/tests/suites/test_suite_ecdh.function
index c84d2b1..27be969 100644
--- a/tests/suites/test_suite_ecdh.function
+++ b/tests/suites/test_suite_ecdh.function
@@ -1,5 +1,5 @@
 /* BEGIN_HEADER */
-#include <polarssl/ecdh.h>
+#include "polarssl/ecdh.h"
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES