Fix uninitialized plugin for atomic_inc and atomic_dec
Fix uninitialized plugin for atomic_inc and atomic_dec

surround-io/oclgrind,surround-io/oclgrind,mpflanzer/Oclgrind,mpflanzer/Oclgrind,mpflanzer/Oclgrind,mpflanzer/Oclgrind,surround-io/oclgrind,surround-io/oclgrind