unix-posix_vdisable.patch

diff -rupN a/libraries/unix/System/Posix/Terminal/Common.hsc b/libraries/unix/System/Posix/Terminal/Common.hsc
--- a/libraries/unix/System/Posix/Terminal/Common.hsc	2014-12-23 02:32:53.000000000 +0000
+++ b/libraries/unix/System/Posix/Terminal/Common.hsc	2015-09-19 04:33:13.765014640 +0000
@@ -262,7 +262,7 @@ controlChar termios cc = unsafePerformIO
   withTerminalAttributes termios $ \p -> do
     let c_cc = (#ptr struct termios, c_cc) p
     val <- peekElemOff c_cc (cc2Word cc)
-    if val == ((#const _POSIX_VDISABLE)::CCc)
+    if val == ((#const '\0')::CCc)
        then return Nothing
        else return (Just (chr (fromEnum val)))
 
@@ -280,7 +280,7 @@ withoutCC :: TerminalAttributes
 withoutCC termios cc = unsafePerformIO $ do
   withNewTermios termios $ \p -> do
     let c_cc = (#ptr struct termios, c_cc) p
-    pokeElemOff c_cc (cc2Word cc) ((#const _POSIX_VDISABLE) :: CCc)
+    pokeElemOff c_cc (cc2Word cc) ((#const '\0') :: CCc)
 
 inputTime :: TerminalAttributes -> Int
 inputTime termios = unsafePerformIO $ do