Fix include statement

Change-Id: Icb92e9df233ebd5a47e458b071bad9e00248a317
Signed-off-by: Borawski.Lukasz <lukasz.borawski@intel.com>
diff --git a/include/persistent_data_middleware.hpp b/include/persistent_data_middleware.hpp
index dc4ec8c..aee2407 100644
--- a/include/persistent_data_middleware.hpp
+++ b/include/persistent_data_middleware.hpp
@@ -3,8 +3,7 @@
 #include <nlohmann/json.hpp>
 #include <pam_authenticate.hpp>
 #include <webassets.hpp>
-
-include <random>
+#include <random>
 #include <crow/app.h>
 #include <crow/http_request.h>
 #include <crow/http_response.h>