Core/Misc: Fixed some -Weffc++ warnings
Repository: Set line endings in .patch/.diff files to LF via .gitattributes
DB/Creature: Fix Earthcaller Ryga

By untaught, closes #11827
DB/Misc: Adition to 29dccd9

By dr-j, closes #11911
Core/Units: Don't set new power type if old power type is the same
Merge pull request #11913 from NorthStrider/master

Core/Units: Don't set new power type if old power type is the same
DB/SAI: Fix runtime error 4856

By Fateswhisper, closes #11907
DB/Quest: operation Gnomeran chain correction

By untaught, closes #8314