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The shellshock patches changed the way bash functions are exported.
Unfortunately different distros used slightly different formats,
Fedora went with BASH_FUNC_XXX()=() { echo foo; } and Ubuntu went with
BASH_FUNC_foo%%=() { echo foo; }.
The former causes errors in dealing with out output from emit_env,
the functions are not exported in either case any more.
This patch handles things so the functions work as expected in either
case.
[YOCTO #6880]
(Bitbake rev: 4d4baf20487271aa83bd9f1a778e4ea9af6f6681)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>