change test function includes to use one convention
diff --git a/tests/suites/test_suite_dhm.function b/tests/suites/test_suite_dhm.function
index ba9477f..d7cabf4 100644
--- a/tests/suites/test_suite_dhm.function
+++ b/tests/suites/test_suite_dhm.function
@@ -1,5 +1,5 @@
 /* BEGIN_HEADER */
-#include <polarssl/dhm.h>
+#include "polarssl/dhm.h"
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES