fix a quotes missing in zh_cn
fix a quotes missing in zh_cn

Nixsm/vim-cheat-sheet,mildronize/vim-cheat-sheet,Nixsm/vim-cheat-sheet,Nixsm/vim-cheat-sheet,Nixsm/vim-cheat-sheet,mildronize/vim-cheat-sheet,rtorr/vim-cheat-sheet