x86: fix instruction 66f20f59ff reported by @maijin
x86: fix instruction 66f20f59ff reported by @maijin

AmesianX/capstone,bSr43/capstone,fvrmatteo/capstone,fvrmatteo/capstone,fvrmatteo/capstone,bSr43/capstone,fvrmatteo/capstone,AmesianX/capstone,xia0pin9/capstone,bSr43/capstone,bSr43/capstone,bSr43/capstone,fvrmatteo/capstone,AmesianX/capstone,fvrmatteo/capstone,xia0pin9/capstone,xia0pin9/capstone,AmesianX/capstone,xia0pin9/capstone,xia0pin9/capstone,bSr43/capstone,AmesianX/capstone,xia0pin9/capstone,AmesianX/capstone,xia0pin9/capstone,AmesianX/capstone,bSr43/capstone,fvrmatteo/capstone