https request fix path separator

fclauncher/https.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"io"
 	"net/http"
+	"strings"
 
 	"github.com/wailsapp/wails/v2/pkg/runtime"
 )
@@ -11,6 +12,7 @@ import (
 const BlockSize = 1024 * 64
 
 func HttpDownload(path string, out io.Writer, ctx context.Context) error {
+	path = strings.ReplaceAll(path, "\\", "/")
 	res, err := http.Get("https://fclauncher.piwalker.net/fclauncher/" + path)
 	if err != nil {
 		return err