3833 err(3c): 'status' should be changed to 'eval'

@@ -66,11 +66,11 @@
 \fBvwarnx()\fR functions will not output this error message string.
 .sp
 .LP
 The \fBerr()\fR, \fBverr()\fR, \fBerrx()\fR, and \fBverrx()\fR functions do not
 return, but instead cause the program to terminate with the status value given
-by the argument status.
+by the argument \fIeval\fR.
 .SH EXAMPLES
 .LP
 \fBExample 1 \fRDisplay the current \fBerrno\fR information string and
 terminate with status indicating failure.
 .sp