fix checkpkg for Windows

bin/epm-checkpkg

@@ -33,7 +33,7 @@ check_pkg_integrity()
 		docmd dpkg --contents $PKG >/dev/null && echo "Package $PKG is correct."
 		;;
 	exe)
-		true
+		file $PKG | grep -q "executable for MS Windows"
 		;;
 	ebuild)
 		true

bin/epm-sh-functions

@@ -299,7 +299,7 @@ assure_exists()
 	__epm_assure "$1" $package
 }
 
-# improve
+# TODO: improve and drop!
 get_package_type()
 {
 	local i
@@ -320,6 +320,10 @@ get_package_type()
 			echo "tbz"
 			return
 			;;
+		*.exe)
+			echo "exe"
+			return
+			;;
 		*)
 			#fatal "Don't know type of $1"
 			# return package name for info