Upgrade to libvips v8.15.3 (#245)

Author: kleisauke

LIBVIPS_VERSION

@@ -1 +1 @@
-8.15.2
+8.15.3

build/lin.sh

@@ -448,7 +448,7 @@ mkdir ${DEPS}/vips
 $CURL https://github.com/libvips/libvips/releases/download/v${VERSION_VIPS}/vips-$(without_prerelease $VERSION_VIPS).tar.xz | tar xJC ${DEPS}/vips --strip-components=1
 cd ${DEPS}/vips
 # Disable HBR support in heifsave
-$CURL https://github.com/kleisauke/libvips/commit/ad921cf9396dc5a224e93c71b601e87bd3a8a521.patch | patch -p1
+$CURL https://github.com/libvips/build-win64-mxe/raw/v${VERSION_VIPS}/build/patches/vips-8-heifsave-disable-hbr-support.patch | patch -p1
 # Link libvips.so.42 statically into libvips-cpp.so.42
 sed -i'.bak' "s/library('vips'/static_&/" libvips/meson.build
 sed -i'.bak' "/version: library_version/{N;d;}" libvips/meson.build