libatomic_ops: Update to 7.6.8

mingw-w64-libatomic_ops/PKGBUILD

@@ -3,14 +3,14 @@
 _realname=libatomic_ops
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=7.6.6
-pkgrel=2
+pkgver=7.6.8
+pkgrel=1
 pkgdesc="Provides semi-portable access to hardware provided atomic memory operations (mingw-w64)"
 arch=('any')
 url="http://www.hboehm.info/gc"
 license=('GPL2' 'MIT')
 source=("https://github.com/ivmai/${_realname}/releases/download/v${pkgver}/${_realname}-${pkgver}.tar.gz")
-sha256sums=('99feabc5f54877f314db4fadeb109f0b3e1d1a54afb6b4b3dfba1e707e38e074')
+sha256sums=('1d6a279edf81767e74d2ad2c9fce09459bc65f12c6525a40b0cb3e53c089f665')
 
 prepare(){
   cd ${srcdir}/${_realname}-${pkgver}