[LTP] patch for the writest.c

[Veerendra C. <vec...@in...>]

Hi

      This patch fixes the writetest.c  to return proper status on
Failure/Success .
At present the return code of the writest.c is 'zero' for both Success and
Failure.
As per norms non-zero value should be returned for error , so fixing this
testcase.



Signed off : Veerendra C <vec...@in...>


(See attached file: wrt.patch)

Regards, Veerendra C
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