Correct Windows OS name in cabal configuration

diff --git a/base.cabal b/base.cabal
index 14aa264..e08510a 100644 (file)
--- a/base.cabal
+++ b/base.cabal
@@ -20,7 +20,7 @@ Library {
     -- actually ought to fail.
     if flag(IsGHC) {
         build-depends: rts
-        if os(windows) {
+        if os(mingw32) {
             extra-libraries: wsock32, msvcrt, kernel32, user32, shell32
         }
         exposed-modules: