Patch yascroll to not error on deleted buffers.
Patch yascroll to not error on deleted buffers.

Taken from https://github.com/m2ym/yascroll-el/pull/16

Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d,Wilfred/.emacs.d