Fix typo in duk_dup_top() API doc
Fix typo in duk_dup_top() API doc

nivertech/duktape,sloth4413/duktape,pombredanne/duktape,eddieh/duktape,zeropool/duktape,markand/duktape,skomski/duktape,sloth4413/duktape,harold-b/duktape,haosu1987/duktape,haosu1987/duktape,nivertech/duktape,reqshark/duktape,markand/duktape,harold-b/duktape,skomski/duktape,eddieh/duktape,thurday/duktape,harold-b/duktape,reqshark/duktape,pombredanne/duktape,svaarala/duktape,kphillisjr/duktape,kphillisjr/duktape,jmptrader/duktape,tassmjau/duktape,chenyaqiuqiu/duktape,markand/duktape,haosu1987/duktape,tassmjau/duktape,svaarala/duktape,zeropool/duktape,thurday/duktape,markand/duktape,eddieh/duktape,haosu1987/duktape,jmptrader/duktape,zeropool/duktape,kphillisjr/duktape,markand/duktape,skomski/duktape,reqshark/duktape,svaarala/duktape,skomski/duktape,skomski/duktape,harold-b/duktape,jmptrader/duktape,tassmjau/duktape,svaarala/duktape,eddieh/duktape,pombredanne/duktape,haosu1987/duktape,tassmjau/duktape,sloth4413/duktape,reqshark/duktape,haosu1987/duktape,eddieh/duktape,pombredanne/duktape,eddieh/duktape,markand/duktape,jmptrader/duktape,chenyaqiuqiu/duktape,chenyaqiuqiu/duktape,chenyaqiuqiu/duktape,svaarala/duktape,nivertech/duktape,eddieh/duktape,jmptrader/duktape,zeropool/duktape,tassmjau/duktape,sloth4413/duktape,thurday/duktape,jmptrader/duktape,pombredanne/duktape,jmptrader/duktape,sloth4413/duktape,skomski/duktape,chenyaqiuqiu/duktape,kphillisjr/duktape,haosu1987/duktape,zeropool/duktape,harold-b/duktape,sloth4413/duktape,kphillisjr/duktape,thurday/duktape,harold-b/duktape,thurday/duktape,tassmjau/duktape,harold-b/duktape,thurday/duktape,reqshark/duktape,jmptrader/duktape,sloth4413/duktape,eddieh/duktape,skomski/duktape,eddieh/duktape,zeropool/duktape,nivertech/duktape,tassmjau/duktape,pombredanne/duktape,nivertech/duktape,skomski/duktape,reqshark/duktape,markand/duktape,kphillisjr/duktape,chenyaqiuqiu/duktape,kphillisjr/duktape,jmptrader/duktape,zeropool/duktape,eddieh/duktape,kphillisjr/duktape,kphillisjr/duktape,svaarala/duktape,haosu1987/duktape,pombredanne/duktape,sloth4413/duktape,pombredanne/duktape,haosu1987/duktape,chenyaqiuqiu/duktape,zeropool/duktape,nivertech/duktape,svaarala/duktape,markand/duktape,harold-b/duktape,skomski/duktape,reqshark/duktape,nivertech/duktape,svaarala/duktape,reqshark/duktape,haosu1987/duktape,reqshark/duktape,reqshark/duktape,chenyaqiuqiu/duktape,nivertech/duktape,harold-b/duktape,skomski/duktape,thurday/duktape,sloth4413/duktape,tassmjau/duktape,chenyaqiuqiu/duktape,svaarala/duktape,tassmjau/duktape,markand/duktape,tassmjau/duktape,kphillisjr/duktape,nivertech/duktape,thurday/duktape,chenyaqiuqiu/duktape,thurday/duktape,pombredanne/duktape,thurday/duktape,zeropool/duktape,pombredanne/duktape,sloth4413/duktape,zeropool/duktape,harold-b/duktape,markand/duktape,nivertech/duktape,jmptrader/duktape