Shrink vendor bundle a bit

Author: jeroen

src/myrustlib/vendor-update.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 rm -Rf vendor vendor.tar.xz
 cargo vendor
-rm -Rf vendor/windows_x86_64_gnullvm/lib/* vendor/windows_*_msvc/lib/* vendor/windows_i686*/lib/*
+rm -Rf vendor/windows_x86_64_gnullvm/lib/* vendor/windows_*_msvc/lib/* vendor/windows_i686*/lib/* vendor/winapi-i686-pc-windows-gnu/lib/*
 XZ_OPT=-9 tar -cJ --no-xattrs -f vendor.tar.xz vendor
 rm -Rf vendor