[PATCH v2 02/12] Revert "sparc: disable cancellable system, as it fails in strange ways right now"

[Bernhard Reutner-Fischer]

On Thu, Aug 28, 2014 at 12:31:20PM +0200, Waldemar Brodkorb wrote:
> This reverts commit 1db4f8f8389f6a935ecd83aff7fcce5d1cf2c0f3.
> 
> It is unclear in which way this is breaking sparc systems.
> With this change added you get following linking error:
> libpthread/nptl/libpthread_so.a(pt-system.oS): In function `__libc_system':
> libc/stdlib/system.c:64: undefined reference to `__wait4_nocancel'

Applied, thanks!