[Jenkins] auto-formatting by clang-format version 10.0.0-4ubuntu1

Author: stan-buildbot

stan/math/prim/meta/is_tuple.hpp

@@ -47,7 +47,7 @@ template <typename... Types>
 using require_all_not_tuple_t
     = require_all_not_t<is_tuple<std::decay_t<Types>>...>;
 /*! @} */
-}
+}  // namespace math
 
 }  // namespace stan