kdiff3: update to 1.12.2

Change log:

*revert to old file load/save code due to missing data issues.
*audit code and remove encoding error fail points - this will not remove
the encoding errors themselves.

Author: dhgutteridge

devel/kdiff3/Makefile

@@ -1,7 +1,6 @@
-# $NetBSD: Makefile,v 1.118 2025/04/24 14:13:32 wiz Exp $
+# $NetBSD: Makefile,v 1.119 2025/04/25 23:00:26 gutteridge Exp $
 
-DISTNAME=	kdiff3-1.12.1
-PKGREVISION=	2
+DISTNAME=	kdiff3-1.12.2
 CATEGORIES=	devel
 MASTER_SITES=	${MASTER_SITE_KDE:=kdiff3/}
 EXTRACT_SUFX=	.tar.xz

devel/kdiff3/distinfo

@@ -1,5 +1,5 @@
-$NetBSD: distinfo,v 1.28 2025/02/19 17:27:03 gutteridge Exp $
+$NetBSD: distinfo,v 1.29 2025/04/25 23:00:26 gutteridge Exp $
 
-BLAKE2s (kdiff3-1.12.1.tar.xz) = 88b6b9af1675eefdb3e2a4d399c68408b45f704b68298e6ffb593eb1ceb4ca15
-SHA512 (kdiff3-1.12.1.tar.xz) = 873d1b2aa4511ac0a3c520f7c333c606f77bb8941b781559e69d3a07690d2433b9c320cf5e6bb1b6eef9e526f10c9585bf501e031a91aea58b4c7965f680a2a5
-Size (kdiff3-1.12.1.tar.xz) = 1204916 bytes
+BLAKE2s (kdiff3-1.12.2.tar.xz) = 51e463479a53177d44347b171b8aa9a44e7cd45943b632fd70b536037a3fd2b9
+SHA512 (kdiff3-1.12.2.tar.xz) = 82133c7ba4635adfb923ee5bb46c0ec991f9d9e297062f02c30bf2834b341fdea6eb6c210cae9143a3b195c51f7ba1aad48f6a320f7c9841f89f914fb78065a8
+Size (kdiff3-1.12.2.tar.xz) = 1203080 bytes