error: Clean up errors with embedded newlines (again)
The arguments of error_report() should yield a short error string without newlines. A few places try to print additional help after the error message by embedding newlines in the error string. That's nice, but let's do it the right way. Commit 474c2134 cleaned up some, but they keep coming back. Offenders tracked down with the Coccinelle semantic patch from commit 312fd5f2. Cc: Laszlo Ersek <lersek@redhat.com> Cc: Pavel Fedin <p.fedin@samsung.com> Signed-off-by: NMarkus Armbruster <armbru@pond.sub.org> Reviewed-by: NLaszlo Ersek <lersek@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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