[Xapian-tickets] [Xapian] #776: Fail to build xapian-core/examples/xapian-pos.cc on android.

[Xapian]

#776: Fail to build xapian-core/examples/xapian-pos.cc on android.
-----------------------------+--------------------
        Reporter:  mgautier  |      Owner:  olly
            Type:  defect    |     Status:  new
        Priority:  normal    |  Milestone:
       Component:  Examples  |    Version:  1.4.10
        Severity:  normal    |   Keywords:
      Blocked By:            |   Blocking:
Operating System:  other     |
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 Template function `to_unsigned_int` use errno but we don't include
 `errno.h`
 On most compiler, the file is included by default but on android (at
 least),
 it is not included and the file doesn't compile.

 The patch (provided) is pretty simple, just include "errno.h".

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Ticket URL: <https://trac.xapian.org/ticket/776>
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