[Rd] typo in ?writeLines

[Gabor Grothendieck]

In ?writeLines the word 'call' should be 'calls' in the first line
under 'Details'

If the 'con' is a character string, the function call 'file' to

I am using:
Windows XP  "R version 2.4.0 Under development (unstable) (2006-06-20 r38361)"