SDL2_mixer: update to 2.6.3

mingw-w64-SDL2_mixer/PKGBUILD

@@ -3,7 +3,7 @@
 _realname=SDL2_mixer
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=2.6.2
+pkgver=2.6.3
 pkgrel=1
 pkgdesc="A simple multi-channel audio mixer (Version 2) (mingw-w64)"
 arch=('any')
@@ -22,7 +22,7 @@ depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs"
          "${MINGW_PACKAGE_PREFIX}-opusfile")
 options=('staticlibs' 'strip')
 source=("https://github.com/libsdl-org/SDL_mixer/releases/download/release-${pkgver}/SDL2_mixer-${pkgver}.zip"{,.sig})
-sha256sums=('61549615a67e731805ca1df553e005be966a625c1d20fb085bf99edeef6e0469'
+sha256sums=('5488c377605c170b4db33bac0aac4a8f62e430cd6666bfe20ebca2b94b87923c'
             'SKIP')
 validpgpkeys=('1528635D8053A57F77D1E08630A59377A7763BE6') # Sam Lantinga <slouken@libsdl.org>