lint: Fix lseek() argument order.

Because SEEK_SET is 0, this seems to have no effect on the generated code.

PR:		bin/160806
Submitted by:	Henning Petersen <henning dot petersen at t-online dot de>
Obtained from:	NetBSD

usr.bin/xlint/xlint/xlint.c

@@ -656,7 +656,7 @@ fname(const char *name)
 	appcstrg(&args, name);
 
 	/* we reuse the same tmp file for cpp output, so rewind and truncate */
-	if (lseek(cppoutfd, SEEK_SET, (off_t)0) != 0) {
+	if (lseek(cppoutfd, (off_t)0, SEEK_SET) != 0) {
 		warn("lseek");
 		terminate(-1);
 	}