net/scamper: update to 20230614c

This update fixes the build on 15-CURRENT.

scamper:
* fix compile-on-windows support; use icmp-echo probes instead of UDP
  probes for traceroute on windows; provide "attach" support on
  windows.
* fix compile-on-FreeBSD-15+ where pf firewall does not have
  DIOCGETSTATUS ioctl
* in scamper's remote control (-R option), fix file descriptor leak
  when unable to reconnect to the remote controller.
* add --disable-scamper-trace --disable-scamper-ping
  --disable-scamper-tracelb --disable-scamper-dealias
  --disable-scamper-tbit --disable-scamper-sting
  --disable-scamper-sniff --disable-scamper-host configure options
  to build scamper without specific measurement capabilities.

sc_attach:
* add windows support

Changelog: https://mailman.caida.org/pipermail/scamper-announce/2023-October/000036.html

PR:		274287
MFH:		2023Q4

net/scamper/Makefile

@@ -1,5 +1,5 @@
 PORTNAME=	scamper
-PORTVERSION=	20230614b
+PORTVERSION=	20230614c
 CATEGORIES=	net
 MASTER_SITES=	https://www.caida.org/catalog/software/scamper/code/
 DISTNAME=	${PORTNAME}-cvs-${PORTVERSION}

net/scamper/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1691906233
-SHA256 (scamper-cvs-20230614b.tar.gz) = d02af6902ffdeb718349b84113df3dc415ce8e40c6e42bb739756274d9ac4cfa
-SIZE (scamper-cvs-20230614b.tar.gz) = 2201320
+TIMESTAMP = 1696494364
+SHA256 (scamper-cvs-20230614c.tar.gz) = 50a58ed36c7e7a4045717c5acc82b510bd2ad329f3b336b3504118e0280ad9ca
+SIZE (scamper-cvs-20230614c.tar.gz) = 2214550