Enable one more test now that shrd is recognized.
Enable one more test now that shrd is recognized.

TEST=./scons platform=x86-64 bitcode=1 sdl=none run_float_math_test

Review URL: http://codereview.chromium.org/3412023

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@3343 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

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