simplify code copying @mnemonic in fill_insn()
simplify code copying @mnemonic in fill_insn()

sephiroth99/capstone,dynm/capstone,bowlofstew/capstone,sigma-random/capstone,krytarowski/capstone,bowlofstew/capstone,krytarowski/capstone,bSr43/capstone,NeilBryant/capstone,sigma-random/capstone,sigma-random/capstone,zuloloxi/capstone,pranith/capstone,bughoho/capstone,dynm/capstone,AmesianX/capstone,pranith/capstone,nplanel/capstone,techvoltage/capstone,zneak/capstone,xia0pin9/capstone,nplanel/capstone,angelabier1/capstone,xia0pin9/capstone,07151129/capstone,code4bones/capstone,07151129/capstone,bowlofstew/capstone,bughoho/capstone,angelabier1/capstone,sephiroth99/capstone,techvoltage/capstone,krytarowski/capstone,NeilBryant/capstone,capturePointer/capstone,dynm/capstone,fvrmatteo/capstone,8l/capstone,fvrmatteo/capstone,sigma-random/capstone,zuloloxi/capstone,8l/capstone,sephiroth99/capstone,bughoho/capstone,dynm/capstone,bigendiansmalls/capstone,sigma-random/capstone,pranith/capstone,bigendiansmalls/capstone,bowlofstew/capstone,capturePointer/capstone,techvoltage/capstone,bughoho/capstone,angelabier1/capstone,fvrmatteo/capstone,nplanel/capstone,sephiroth99/capstone,sephiroth99/capstone,nplanel/capstone,8l/capstone,AmesianX/capstone,code4bones/capstone,bigendiansmalls/capstone,pyq881120/capstone,krytarowski/capstone,8l/capstone,07151129/capstone,NeilBryant/capstone,bSr43/capstone,pranith/capstone,pyq881120/capstone,capturePointer/capstone,bSr43/capstone,code4bones/capstone,bughoho/capstone,pombredanne/capstone,07151129/capstone,capturePointer/capstone,fvrmatteo/capstone,pombredanne/capstone,angelabier1/capstone,nplanel/capstone,8l/capstone,zuloloxi/capstone,bSr43/capstone,8l/capstone,fvrmatteo/capstone,zneak/capstone,dynm/capstone,code4bones/capstone,pombredanne/capstone,zuloloxi/capstone,pyq881120/capstone,techvoltage/capstone,pombredanne/capstone,07151129/capstone,code4bones/capstone,zuloloxi/capstone,bowlofstew/capstone,zneak/capstone,pranith/capstone,zneak/capstone,xia0pin9/capstone,angelabier1/capstone,pyq881120/capstone,bSr43/capstone,bughoho/capstone,code4bones/capstone,nplanel/capstone,fvrmatteo/capstone,bSr43/capstone,capturePointer/capstone,NeilBryant/capstone,krytarowski/capstone,zuloloxi/capstone,xia0pin9/capstone,bigendiansmalls/capstone,techvoltage/capstone,bigendiansmalls/capstone,AmesianX/capstone,NeilBryant/capstone,angelabier1/capstone,bughoho/capstone,angelabier1/capstone,pombredanne/capstone,xia0pin9/capstone,krytarowski/capstone,bowlofstew/capstone,8l/capstone,bSr43/capstone,zneak/capstone,zuloloxi/capstone,NeilBryant/capstone,capturePointer/capstone,dynm/capstone,techvoltage/capstone,code4bones/capstone,xia0pin9/capstone,sigma-random/capstone,pombredanne/capstone,07151129/capstone,sephiroth99/capstone,pyq881120/capstone,AmesianX/capstone,dynm/capstone,pombredanne/capstone,zneak/capstone,07151129/capstone,pranith/capstone,bowlofstew/capstone,AmesianX/capstone,AmesianX/capstone,nplanel/capstone,AmesianX/capstone,pranith/capstone,zneak/capstone,bigendiansmalls/capstone,NeilBryant/capstone,capturePointer/capstone,pyq881120/capstone,pyq881120/capstone,techvoltage/capstone,sephiroth99/capstone,xia0pin9/capstone,bigendiansmalls/capstone,sigma-random/capstone,fvrmatteo/capstone,krytarowski/capstone