Merge pull request #131 from NewbieOrange/patch-1

fix: compile error on some environments

Author: hsluoyz

casbin/enforcer_interface.h

@@ -17,6 +17,7 @@
 #ifndef CASBIN_CPP_ENFORCER_INTERFACE
 #define CASBIN_CPP_ENFORCER_INTERFACE
 
+#include "./data_types.h"
 #include "./model/model.h"
 #include "./persist/adapter.h"
 #include "./persist/default_watcher.h"
@@ -151,4 +152,4 @@ class IEnforcer {
 
 } // namespace casbin
 
-#endif
+#endif