working mingw-w64-postgresql-libs built with rubenvb mingw-w64 gcc version 4.7.2 not working to build with 4.8.

PKGBUILD

# Maintainer: Philip A Reimer <antreimer@gmail.com>
# Contributor: Schala Zeal <schalaalexiazeal@gmail.com>
pkgname=mingw-w64-postgresql-libs
pkgver=9.2.4
pkgrel=2
pkgdesc="Libraries for use with PostgreSQL (mingw-w64)"
arch=('any')
url="http://www.postgresql.org/"
license=('custom:PostgreSQL')
depends=('mingw-w64-crt')
source=("https://dl.dropboxusercontent.com/u/33784287/aur/mingw-w64-postgresql-libs-${pkgver}.tar.lzma")
options=(!libtool !strip !buildflags)
md5sums=('e86eecb324698822d4825a3892d00518')

_architectures="i686-w64-mingw32 x86_64-w64-mingw32"

package() {
  for _arch in ${_architectures}; do
    mkdir -p $pkgdir/usr/${_arch}
    cp -R ${srcdir}/${_arch}/ $pkgdir/usr/
  done
}