Deglobalize prompt_pos

[Leonard den Ottolander]

Hi,

I wrote:
> The use of prompt_pos as a global static variable in subshell.c seems a
> bit odd. I've ripped the parameter and it's references out, except of
> course in read_subshell_prompt(). This patch also has the "already
> running a command" fix integrated.

It was probably a bad idea to send two integrated patches. The "already
running a command" patch has some odd behaviour when using pipes in the
subshell (fe "| less").

Attached is the plain "deglobalize prompt_pos" patch. Please test.

Leonard.

-- 
mount -t life -o ro /dev/dna /genetic/research

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