[Rd] Error in ?lowess

[Duncan Murdoch]

The lowess() help page refers to documentation in "src/appl/lowess.doc". 
  This was moved to "src/library/stats/src/lowess.doc" in 2007.  This 
patch fixes it:

Index: src/library/stats/man/lowess.Rd
===================================================================
--- src/library/stats/man/lowess.Rd	(revision 79137)
+++ src/library/stats/man/lowess.Rd	(working copy)
@@ -30,7 +30,7 @@
  \details{
    \code{lowess} is defined by a complex algorithm, the Ratfor original
    of which (by W. S. Cleveland) can be found in the \R sources as file
-  \file{src/appl/lowess.doc}.  Normally a local linear polynomial fit is
+  \file{src/library/stats/src/lowess.doc}.  Normally a local linear 
polynomial fit is
    used, but under some circumstances (see the file) a local constant fit
    can be used.  \sQuote{Local} is defined by the distance to the
    \code{floor(f*n)}th nearest neighbour, and tricubic weighting is used