zbar: Fix autoconf using upstream commit.

mingw-w64-zbar/PKGBUILD

@@ -4,7 +4,7 @@ _realname=zbar
 pkgbase="mingw-w64-${_realname}"
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=0.23.1
-pkgrel=2
+pkgrel=3
 pkgdesc="Application and library for reading bar codes from various sources (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64')
@@ -12,14 +12,17 @@ url="https://github.com/mchehab/zbar"
 license=('LGPL')
 depends=("${MINGW_PACKAGE_PREFIX}-imagemagick")
 source=(${_realname}-${pkgver}.tar.gz::https://github.com/mchehab/zbar/archive/${pkgver}.tar.gz
+        zbar-autoconf-2.70.patch::"https://github.com/mchehab/zbar/commit/89e7900d.patch"
         "no-undefined.patch")
 sha256sums=('297439f8859089d2248f55ab95b2a90bba35687975365385c87364c77fdb19f3'
+            '82ac7723115d4c6aa8db6ff0e62764c310cc35f7b620413b36c4999a301216e2'
             'fd2b2e1d099e2100ab7374931715025c5ceedd338ba36c769bb622afda393e36')
 options=('strip' 'staticlibs')
 
 prepare() {
   cd "${srcdir}/${_realname}-${pkgver}"
   patch -p1 -i ${srcdir}/no-undefined.patch
+  patch -p1 -i ${srcdir}/zbar-autoconf-2.70.patch
   autoreconf -fiv
 }