rts: Update comment about FreeBSD's unsigned FD_SETSIZE

Authored by nh2 on Sep 14 2017, 8:50 AM.

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rGHC Glasgow Haskell Compiler
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nh2 created this revision.Sep 14 2017, 8:50 AM
bgamari accepted this revision.Sep 14 2017, 9:05 AM

Looks good to me.

This revision is now accepted and ready to land.Sep 14 2017, 9:05 AM
This revision was automatically updated to reflect the committed changes.