Polar DG 1000S/20 175,-2.80 seems to bad

[iwl]

https://github.com/iltis42/XCVario/blob/0e30066a4efdec5c6d8380b3b69a858dd25348a1/main/Polars.cpp#L60

22: { 1050, "ASK 21",31.30,80,-0.76,125,-1.21,175,-2.75,0,17.95}, 60: { 1410, "DG 1000S/20",28.00,80,-0.51,125,-0.93,175,-2.80,160,17.53} 110: { 1860, "LS 4",34.40,80,-0.66,125,-0.97,175,-2.24,160,10.5}, 123: { 1970, "Mistral C",31.36,80,-0.67,125,-1.15,175,-2.64,0,10.9},