net/arping: Update to 2.25

* Do some light cleanup of port Makefile

Changelog:
https://github.com/ThomasHabets/arping/releases/tag/arping-2.25

PR:		286913
Approved by:	maintainer timeout, 2+ weeks

net/arping/Makefile

@@ -1,6 +1,5 @@
 PORTNAME=	arping
-DISTVERSION=	2.24
-PORTREVISION=	1
+DISTVERSION=	2.25
 CATEGORIES=	net
 MASTER_SITES=	http://www.habets.pp.se/synscan/files/
 
@@ -14,10 +13,11 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 LIB_DEPENDS=	libnet.so:net/libnet
 
 USES=		localbase
-USE_CSTD=	c99
-GNU_CONFIGURE=	yes
-GNU_CONFIGURE_MANPREFIX=	${PREFIX}/share
 
-PLIST_FILES=	include/arping.h sbin/arping share/man/man8/arping.8.gz
+GNU_CONFIGURE=	yes
+
+PLIST_FILES=	include/arping.h \
+		sbin/arping \
+		share/man/man8/arping.8.gz
 
 .include <bsd.port.mk>

net/arping/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1704938034
-SHA256 (arping-2.24.tar.gz) = 69060a3be150e54dc571f5c600b85dd9f37d76f7df1b23cd5c131b2c1412c218
-SIZE (arping-2.24.tar.gz) = 194230
+TIMESTAMP = 1747475101
+SHA256 (arping-2.25.tar.gz) = 32f868e801e931033f058a614cce858f0a0b8f893331bbaddd6c5c1e46f2b1f0
+SIZE (arping-2.25.tar.gz) = 198855