Fix bad path

Author: achaulk-goog

src/app/util/util.h

@@ -21,7 +21,7 @@
 
 #include <app/util/af-types.h>
 #include <app/util/endpoint-config-api.h>
-#include <src/lib/core/DataModelTypes.h>
+#include <lib/core/DataModelTypes.h>
 
 void emberAfInit();