Flush stdout at the end of the update phase to prevent possible

duplicate output when "quotacheck -a -v" is used.

Approved by:	re (bmah)

sbin/quotacheck/quotacheck.c

@@ -405,6 +405,7 @@ chkquota(fsname, mntpt, qnp)
 	if (qnp->flags & HASGRP)
 		errs += update(mntpt, qnp->grpqfname, GRPQUOTA);
 	close(fi);
+	(void)fflush(stdout);
 	return (errs);
 }