fix other typo

Author: ChrisRackauckas

src/callbacks.jl

@@ -617,7 +617,7 @@ end
         integrator.u_modified = true
         callback.affect!(integrator)
         if integrator.u_modified
-            if hasmethod(reeval_internals_due_to_modification!, Tuple{typeof(integrator), Bool}, (:callback_initializealg))
+            if hasmethod(reeval_internals_due_to_modification!, Tuple{typeof(integrator), Bool}, (:callback_initializealg,))
                 reeval_internals_due_to_modification!(integrator, false, callback_initializealg = callback.initialize_alg)
             else # handle legacy dispatch without kwarg
                 reeval_internals_due_to_modification!(integrator, false)