[Lazarus] sockets.pp(20, 5) Error: include file not found "osdefs.inc"

[FreeMan]

http://bugs.freepascal.org/view.php?id=27693

/opt/freepascal/3.1.1/packages/rtl-extra/src/unix/sockets.pp
In lazarus TLTCPComponent compileted and installed without error. when 
try code complied I get this error and project not compile.
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