Fix a long-time problem revealed by PHP5.
Fix a long-time problem revealed by PHP5.

A test of $decoded->{"code"} should have been $decoded{"code"}.
You do NOT want to know how long it took me to figure this out!

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome