Fix data size for test2 in ncdecode_tests.
Fix data size for test2 in ncdecode_tests.

BUG=http://code.google.com/p/nativeclient/issues/detail?id=2336
TEST=./scons platform=x86-32 --mode=dbg-host,nacl --asan scons-out/dbg-linux-x86-32/test_results/ncdecode_tests.out
Review URL: http://codereview.chromium.org/8114034

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@6844 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

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