i got it like this.. still dont work i tried it without export and with is still dont work im trying it on win 7 64 bit
export GPU_MAX_ALLOC_PERCENT=100
export GPU_USE_SYNC_OBJECTS=1
sgminer -k groestlcoin -o stratum+tcp://grs.suprnova.cc:5544 -u nick.1 -p 1 -I 19 -w 256 --scan-time 1 --no-submit-stale -g 1 --gpu-engine 1150 --gpu-memclock 1500,1500,1500,1500 --thread-concurrency 16320 --lookup-gap 2 --gpu-powertune 10 --gpu-fan 85