[patch]rcs: mark unlink as (void)

[Fritjof Bornebusch]

Hi tech@,

mark this unlink(2) call as *(void)*, as there is no need to check the return 
value.
This makes it more consistent to all other unlink(2) calls, since they are 
marked as *(void)* as
well.

Regards,
--F.


Index: co.c
===================================================================
RCS file: /cvs/src/usr.bin/rcs/co.c,v
retrieving revision 1.121
diff -u -p -r1.121 co.c
--- co.c        13 Jun 2015 20:15:21 -0000      1.121
+++ co.c        15 Jun 2015 19:50:12 -0000
@@ -553,7 +553,7 @@ checkout_file_has_diffs(RCSFILE *rfp, RC
        ret = diffreg(dst, tempfile, bp, D_FORCEASCII);
 
        buf_free(bp);
-       unlink(tempfile);
+       (void)unlink(tempfile);
        free(tempfile);
 
        return (ret);