boost: fix source URLs

mingw-w64-boost/PKGBUILD

@@ -5,7 +5,7 @@ pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=1.75.0
 _boostver=${pkgver//./_}
-pkgrel=5
+pkgrel=6
 pkgdesc="Free peer-reviewed portable C++ source libraries (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
@@ -21,8 +21,7 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-gcc"
              "${MINGW_PACKAGE_PREFIX}-python"
              "lndir")
 options=('strip' 'buildflags' 'staticlibs')
-source=(#https://downloads.sourceforge.net/sourceforge/boost/boost_${_boostver}.tar.bz2
-        https://dl.bintray.com/boostorg/release/${pkgver}/source/boost_${_boostver}.tar.bz2
+source=(https://boostorg.jfrog.io/artifactory/main/release/${pkgver}/source/boost_${_boostver}.tar.bz2
         boost-1.48.0-add-bjam-man-page.patch
         boost-1.58.0-pool.patch
         boost-1.63.0-python-test-PyImport_AppendInittab.patch