Fix build on Windows: We don't build terminfo on Windows

ghc.mk

@@ -355,7 +355,10 @@ PKGS_THAT_USE_TH := $(PKGS_THAT_ARE_DPH)
 #
 # We assume that the stage0 compiler has a suitable bytestring package,
 # so we don't have to include it below.
-PKGS_THAT_BUILD_WITH_STAGE0 = Cabal/Cabal hpc binary bin-package-db hoopl transformers terminfo
+PKGS_THAT_BUILD_WITH_STAGE0 = Cabal/Cabal hpc binary bin-package-db hoopl transformers
+ifeq "$(Windows)" "NO"
+PKGS_THAT_BUILD_WITH_STAGE0 += terminfo
+endif
 
 # $(EXTRA_PACKAGES)  is another classification, of packages built but
 #                    not installed