upstream: Some dd's don't understand "1m", so handle seperately.

OpenBSD-Regress-ID: 1d983b27c96f28f69d3a288c19e8d8c58e1b2ee3

Author: daztucker

regress/sftp-resume.sh

@@ -1,4 +1,4 @@
-#	$OpenBSD: sftp-resume.sh,v 1.1 2025/03/11 07:50:20 dtucker Exp $
+#	$OpenBSD: sftp-resume.sh,v 1.2 2025/03/11 09:06:50 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="sftp resume"
@@ -24,6 +24,8 @@ for cmd in put get; do
 		;;
 	same)	cp ${DATA} ${COPY}.2
 		;;
+	1m)	dd if=${COPY}.1 of=${COPY}.2 bs=1k count=1k >/dev/null 2<&1
+		;;
 	*)	dd if=${COPY}.1 of=${COPY}.2 bs=${size} count=1 >/dev/null 2>&1
 		;;
 	esac