fix some errors

Change-Id: I0696d17e257d0956ea9fab0a6d20186504ce2d2f
diff --git a/src/detail/ndncert-common.hpp b/src/detail/ndncert-common.hpp
index 003b31f..d458147 100644
--- a/src/detail/ndncert-common.hpp
+++ b/src/detail/ndncert-common.hpp
@@ -21,7 +21,7 @@
 #ifndef NDNCERT_NDNCERT_COMMON_HPP
 #define NDNCERT_NDNCERT_COMMON_HPP
 
-#include "ndncert-config.hpp"
+#include "detail/ndncert-config.hpp"
 
 #ifdef NDNCERT_HAVE_TESTS
 #define NDNCERT_VIRTUAL_WITH_TESTS virtual