[Rd] Typo-let in NEWS.Rd

[R. Michael Weylandt]

Applicable against current trunk and (I believe) R-3.0.0 branch.

Michael


Index: doc/NEWS.Rd
===================================================================
--- doc/NEWS.Rd	(revision 62340)
+++ doc/NEWS.Rd	(working copy)
@@ -183,7 +183,7 @@
       through as bytes inputs invalid in the current locale.

       \item Specifying both \code{rate} and \code{scale} to
-      \code{[dpar]gamma} is a warning (if they are essentially the same
+      \code{[dpqr]gamma} is a warning (if they are essentially the same
       value) or an error.

       \item \code{merge()} works in more cases where the data frames