Add  trim_trailing_whitespace to .editorconfig
Add  trim_trailing_whitespace to .editorconfig
ericstj/corefx,ViktorHofer/corefx,shimingsg/corefx,ericstj/corefx,shimingsg/corefx,shimingsg/corefx,wtgodbe/corefx,ViktorHofer/corefx,ViktorHofer/corefx,shimingsg/corefx,shimingsg/corefx,wtgodbe/corefx,shimingsg/corefx,ericstj/corefx,ericstj/corefx,wtgodbe/corefx,wtgodbe/corefx,shimingsg/corefx,ericstj/corefx,ViktorHofer/corefx,ViktorHofer/corefx,wtgodbe/corefx,wtgodbe/corefx,ViktorHofer/corefx,ericstj/corefx,wtgodbe/corefx,ericstj/corefx,ViktorHofer/corefx