libgit2: update to 1.6.4

mingw-w64-libgit2/PKGBUILD

@@ -4,7 +4,7 @@ _realname=libgit2
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}"
          "${MINGW_PACKAGE_PREFIX}-${_realname}-winhttp")
-pkgver=1.6.3
+pkgver=1.6.4
 pkgrel=1
 pkgdesc='A linkable library for Git (mingw-w64)'
 arch=('any')
@@ -26,7 +26,7 @@ makedepends=(
 source=(${_realname}-${pkgver}.tar.gz::"https://github.com/libgit2/libgit2/archive/v${pkgver}.tar.gz"
         "0001-libgit2-1.4.2-rc-filename.patch")
 noextract=(${_realname}-${pkgver}.tar.gz)
-sha256sums=('a8e2a09835eabb24ace2fd597a78af182e1e199a894e99a90e4c87c849fcd9c4'
+sha256sums=('d25866a4ee275a64f65be2d9a663680a5cf1ed87b7ee4c534997562c828e500d'
             'bdffd718bbf178817d5cfd80f9d5a9706b9c6ff981b1631978ae02657cbf2a55')
 
 prepare() {