status: fix display of rebase -ir's `label` command

The argument of a `label` command does *not* want to be turned into an
abbreviated SHA-1.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/wt-status.c b/wt-status.c
index f4fa982..f9fba79 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -1214,7 +1214,9 @@
 	int i;
 
 	if (starts_with(line->buf, "exec ") ||
-	    starts_with(line->buf, "x "))
+	    starts_with(line->buf, "x ") ||
+	    starts_with(line->buf, "label ") ||
+	    starts_with(line->buf, "l "))
 		return;
 
 	split = strbuf_split_max(line, ' ', 3);