Fix link in documentation.

git-svn-id: https://svn.r-project.org/R/trunk@85688 00db46b3-68df-0310-9c12-caf00c1e9a41

src/library/base/man/connections.Rd

@@ -299,7 +299,7 @@ socketTimeout(socket, timeout = -1)
   result in a warning; if writing, these may indicate write failures and should
   not be ignored. Connections should be closed explicitly when finished
   with to avoid wasting resources and to reduce the risk that some buffered
-  data in output connections would be lost (see \link{\code{on.exit()}} for
+  data in output connections would be lost (see \code{\link{on.exit}()} for
   how to run code also in case of error).
 
   \code{isOpen} returns a logical value, whether the connection is