Get rid of KiB vs KB distinction

Confuses more than it does good, drop it and default to just using KB,
MB, etc.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/eta.c b/eta.c
index 9573e8a..6629c29 100644
--- a/eta.c
+++ b/eta.c
@@ -336,7 +336,7 @@
 
 		mr = num2str(m_rate, 4, 0, 1);
 		tr = num2str(t_rate, 4, 0, 1);
-		printf(", CR=%s/%s KiB/s", tr, mr);
+		printf(", CR=%s/%s KB/s", tr, mr);
 		free(tr);
 		free(mr);
 	} else if (m_iops || t_iops)