tools: fix or assume some bashism
authorJean Privat <jean@pryen.org>
Thu, 5 Jan 2012 01:24:00 +0000 (20:24 -0500)
committerJean Privat <jean@pryen.org>
Thu, 5 Jan 2012 01:24:00 +0000 (20:24 -0500)
Remove some bashsims in git-gen-version.sh and nc.
Change the #! in showerr.sh to bash.

Signed-off-by: Jean Privat <jean@pryen.org>


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