libtiff: build: Update autoconf version to 4.5.0 and soname to 6.0.0

From dc73ae317e8ea3407bc15f8adfc8d9faa909b6f3 Mon Sep 17 00:00:00 2001
From: Roger Leigh <[EMAIL REDACTED]>
Date: Fri, 24 Jun 2022 11:44:19 +0100
Subject: [PATCH] build: Update autoconf version to 4.5.0 and soname to 6.0.0

---
 configure.ac | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 1549253e..7b295fa1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ dnl OF THIS SOFTWARE.
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.64)
-AC_INIT([LibTIFF Software],[4.4.0],[tiff@lists.maptools.org],[tiff])
+AC_INIT([LibTIFF Software],[4.5.0],[tiff@lists.maptools.org],[tiff])
 AC_CONFIG_AUX_DIR(config)
 AC_CONFIG_MACRO_DIR(m4)
 AC_LANG(C)
@@ -40,7 +40,7 @@ AM_MAINTAINER_MODE
 dnl Versioning.
 dnl Don't fill the ALPHA_VERSION field, if not applicable.
 LIBTIFF_MAJOR_VERSION=4
-LIBTIFF_MINOR_VERSION=4
+LIBTIFF_MINOR_VERSION=5
 LIBTIFF_MICRO_VERSION=0
 LIBTIFF_ALPHA_VERSION=
 LIBTIFF_VERSION=$LIBTIFF_MAJOR_VERSION.$LIBTIFF_MINOR_VERSION.$LIBTIFF_MICRO_VERSION$LIBTIFF_ALPHA_VERSION
@@ -76,9 +76,9 @@ dnl  5. If any interfaces have been added since the last public release, then
 dnl     increment age.
 dnl  6. If any interfaces have been removed since the last public release,
 dnl     then set age to 0.                                
-LIBTIFF_CURRENT=13
+LIBTIFF_CURRENT=6
 LIBTIFF_REVISION=0
-LIBTIFF_AGE=8
+LIBTIFF_AGE=0
 LIBTIFF_VERSION_INFO=$LIBTIFF_CURRENT:$LIBTIFF_REVISION:$LIBTIFF_AGE
 
 # This is a special hack for OpenBSD and MirOS systems. The dynamic linker