warp-3.1.4 failed during the building phase

[wapxmas]

• HaskellPlatform-7.10.2-a-i386
  Windows 7 x86/x64

Network\Wai\Handler\Warp\Recv.hs:129:16:
Couldn't match expected type CInt' with actual typeIO a0'
Relevant bindings include
bytes :: IO a0 (bound at Network\Wai\Handler\Warp\Recv.hs:117:5)
In the first argument of return', namelybytes'
In the expression: return bytes
cabal.EXE: Error: some packages failed to install:
warp-3.1.4 failed during the building phase. The exception was:
ExitFailure 1