ifdef out the syncIOManager export on Windows; fixes the build

diff --git a/GHC/Conc.lhs b/GHC/Conc.lhs
index 7e8b916..25eef9f 100644 (file)
--- a/GHC/Conc.lhs
+++ b/GHC/Conc.lhs
@@ -92,7 +92,9 @@ module GHC.Conc
 #endif
 
         , ensureIOManagerIsRunning
+#ifndef mingw32_HOST_OS
         , syncIOManager
+#endif
 
 #ifdef mingw32_HOST_OS
         , ConsoleEvent(..)