[Rd] read.table documentation correction

[Paul Roebuck]

My copy shows the following in the example section:
     ## Not run:
     ## To write a CSV file for input to Excel one might use
     write.table(x, file = "foo.csv", sep = ",", col.names = NA)
     ## and to read this file back into R one needs
     read.table("file.csv", header = TRUE, sep = ",", row.names=1)
     ## End(Not run)

The filename must be the same in the read.table call in
order to read the file back into R.

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SIGSIG -- signature too long (core dumped)