Rename include directory to mbedtls

tests/suites/test_suite_gcm.function

diff --git a/tests/suites/test_suite_gcm.function b/tests/suites/test_suite_gcm.function
index 2ac7628..a3b112e 100644
--- a/tests/suites/test_suite_gcm.function
+++ b/tests/suites/test_suite_gcm.function
@@ -1,5 +1,5 @@
 /* BEGIN_HEADER */
-#include "polarssl/gcm.h"
+#include "mbedtls/gcm.h"
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES