Stopped hello_world.o from being generated in the source tree.
Stopped hello_world.o from being generated in the source tree.

BUG= none
TEST= ./scons  (source tree is not modified)

Review URL: http://codereview.chromium.org/6904170

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@5129 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client