Fix copy-pase typos in Silk.NET.Math that were discovered during the exploration for Math 3.0.#2469

Perksey merged 3 commits intodotnet:maindotnet/Silk.NET:mainfrom

otac0n:backport-math3.0-fixesotac0n/Silk.NET:backport-math3.0-fixesCopy head branch name to clipboard