OpenBSD: compatibility fixes for the build system.

OpenBSD: compatibility fixes for the build system.

- switch from /bin/bash to /bin/sh (bash is not a part of base system 
  on OpenBSD)
- switch from /usr/bin/python to /usr/bin/env python (python is not a part
  of base system on OpenBSD)

BUG=none

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=81550

[mark_mentovai.com, 2011-04-13 14:07:39]

LGTM

http://codereview.chromium.org/6845002/diff/2001/build/linux/python_arch.sh
File build/linux/python_arch.sh (right):

http://codereview.chromium.org/6845002/diff/2001/build/linux/python_arch.sh#n...
build/linux/python_arch.sh:16: exit 0;
Drop the semicolon on this line and on line 21.

[Nirnimesh, 2011-04-13 18:06:36]

LGTM

[Paweł Hajdan Jr., 2011-04-13 18:36:30]

http://codereview.chromium.org/6845002/diff/2001/build/linux/python_arch.sh
File build/linux/python_arch.sh (right):

http://codereview.chromium.org/6845002/diff/2001/build/linux/python_arch.sh#n...
build/linux/python_arch.sh:16: exit 0;
On 2011/04/13 14:07:39, mark_mentovai.com wrote:
> Drop the semicolon on this line and on line 21.

Done.

[Mark Mentovai, 2011-04-13 18:36:57]

LGTM

[commit-bot: I haz the power, 2011-04-13 19:02:45]

Try job failure for 6845002-4001 on win:
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win&number...