change test function includes to use one convention
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index fb86c99..cc378c4 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -1,9 +1,9 @@
/* BEGIN_HEADER */
-#include <polarssl/pk.h>
+#include "polarssl/pk.h"
/* For error codes */
-#include <polarssl/ecp.h>
-#include <polarssl/rsa.h>
+#include "polarssl/ecp.h"
+#include "polarssl/rsa.h"
static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len );