change test function includes to use one convention
diff --git a/tests/suites/test_suite_debug.function b/tests/suites/test_suite_debug.function
index b31b72a..7db04e5 100644
--- a/tests/suites/test_suite_debug.function
+++ b/tests/suites/test_suite_debug.function
@@ -1,5 +1,5 @@
 /* BEGIN_HEADER */
-#include <polarssl/debug.h>
+#include "polarssl/debug.h"
 
 struct buffer_data
 {