package/stress-ng: add upstream patch to fix build failure for getresuid32

Fixes:
http://autobuild.buildroot.net/results/f13/f13d85dfec371c38229bca988cd4bffa4cb97ae5/



Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>