fix a wrong usage of spinel_datatype_unpack (#1575)
fix a wrong usage of spinel_datatype_unpack (#1575)


mszczodrak/openthread,abtink/openthread,gandreello/openthread,aeliot/openthread,gandreello/openthread,pvanhorn/openthread,gandreello/openthread,vaas-krish/openthread,srickardti/openthread,xiaom-GitHub/openthread,aeliot/openthread,lanyuwen/openthread,vaas-krish/openthread,pvanhorn/openthread,lanyuwen/openthread,aeliot/openthread,jwhui/openthread,turon/openthread,bukepo/openthread,chshu/openthread,aeliot/openthread,gandreello/openthread,chshu/openthread,fbsder/openthread,srickardti/openthread,xiaom-GitHub/openthread,JakubBrachTieto/openthread,xiaom-GitHub/openthread,openthread/openthread,mszczodrak/openthread,turon/openthread,chshu/openthread,JakubBrachTieto/openthread,jwhui/openthread,turon/openthread,georgecpr/openthread,lanyuwen/openthread,chshu/openthread,JakubBrachTieto/openthread,librasungirl/openthread,lanyuwen/openthread,JakubBrachTieto/openthread,fbsder/openthread,LeZhang2016/openthread,vaas-krish/openthread,abtink/openthread,JakubBrachTieto/openthread,mszczodrak/openthread,lanyuwen/openthread,LeZhang2016/openthread,LeZhang2016/openthread,chshu/openthread,gandreello/openthread,openthread/openthread,georgecpr/openthread,fbsder/openthread,librasungirl/openthread,georgecpr/openthread,jwhui/openthread,librasungirl/openthread,openthread/openthread,vaas-krish/openthread,vaas-krish/openthread,aeliot/openthread,fbsder/openthread,bukepo/openthread,jwhui/openthread,xiaom-GitHub/openthread,pvanhorn/openthread,erja-gp/openthread,abtink/openthread,chshu/openthread,xiaom-GitHub/openthread,pvanhorn/openthread,erja-gp/openthread,erja-gp/openthread,fbsder/openthread,erja-gp/openthread,aeliot/openthread,turon/openthread,bukepo/openthread,erja-gp/openthread,LeZhang2016/openthread,librasungirl/openthread,srickardti/openthread,abtink/openthread,LeZhang2016/openthread,openthread/openthread,georgecpr/openthread,bukepo/openthread,georgecpr/openthread,lanyuwen/openthread,srickardti/openthread,LeZhang2016/openthread,gandreello/openthread,vaas-krish/openthread,JakubBrachTieto/openthread,erja-gp/openthread,fbsder/openthread,mszczodrak/openthread,pvanhorn/openthread,georgecpr/openthread,mszczodrak/openthread,xiaom-GitHub/openthread,mszczodrak/openthread,pvanhorn/openthread