0+247+9886d3d-1: Return to wasi-sdk 15

The upgrade broke the Firefox build. wasm2c can't handle bulk memory ops yet.

https://bugzilla.mozilla.org/show_bug.cgi?id=1773200
WebAssembly/wabt#1877

git-svn-id: file:///srv/repos/svn-community/svn@1230052 9fca08f4-af9d-4005-b8df-a31f2cc04f65

trunk/PKGBUILD

@@ -1,9 +1,10 @@
 # Maintainer: Frederik Schwan <freswa at archlinux dot org>
 
 pkgname=wasi-libc
-pkgver=0+258+30094b6
-_commit=30094b6ed05f19cee102115215863d185f2db4f0  # main
+pkgver=0+247+9886d3d
+_commit=9886d3d6200fcc3726329966860fc058707406cd  # main
 pkgrel=1
+epoch=1
 pkgdesc='WASI libc implementation for WebAssembly'
 arch=('any')
 url='https://github.com/WebAssembly/wasi-libc'