[Libguestfs] [PATCH 2/2] Send usage output to stdout or stderr depending on context

[Matthew Booth]

If usage information is displayed because of an error, it should go to stderr.
If it is displayed because the -h option was given it should go to stdout.
---
 helper/main.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

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