call NextMethod with no arguments; seems to fix #685 and allo1 optimi…

…ze to work from very limited testing

!

R/plot.cca.R

@@ -152,5 +152,5 @@
     if (!("CA" %in% names(x)))
         stop(gettextf("%s is not a vegan rda object",
                       sQuote(deparse(substitute(x)))))
-    plot.cca(x, ...)
+    NextMethod() # no need to pass ..., happens automagically
 }