American skier Mikaela Shiffrin secured her 79th World Cup victory in the giant slalom in Semmering, Austria on Wednesday and her third win in a row. The 27-year-old moved a step closer to breaking two big records. Compatriot Lindsey Vonn leads the women’s all-time list with 82 World Cup wins, while the 86 victories achieved by Swedish great Ingemar Stenmark is a record for both sexes. Shiffrin, who won on the same course on Tuesday, prevailed in 2 minutes 03.51 seconds having placed second after the first run. Swiss Lara Gut-Behrami led after the first leg but missed out by 0.10 seconds after…