Speed up nanguardmode

theano/compile/nanguardmode.py

@@ -207,7 +207,7 @@ class NanGuardMode(Mode):
             for j, x in enumerate(flatten(outputs)):
                 do_check_on(x, node, fn, False)
 
-        wrap_linker = theano.gof.WrapLinkerMany([theano.gof.OpWiseCLinker()],
-                                                [nan_check])
+        wrap_linker = theano.gof.WrapLinker([theano.gof.OpWiseCLinker()],
+                                            nan_check)
         super(NanGuardMode, self).__init__(wrap_linker,
                                            optimizer=theano.config.optimizer)