bug#10511: 24.0.92; Eshell can't handle spaces in eshell-windows-shell-file

[Chong Yidong]

Lars Ljung <lars@matholka.se> writes:

> "C:\Program Files\GNU Emacs 24\bin\emacs.exe" -Q
> M-x eshell
> test.bat
> c:\Program: command not found
>
> The value of eshell-windows-shell-file is "c:/Program Files/GNU Emacs
> 24/bin/cmdproxy.exe". A simple workaround is to modify this variable by
> adding a backslash before each space.

Thanks.  I've committed a patch to trunk which should fix this and a
couple of similar parts of Eshell.