fix path resolving

manifests/zootycoon2-uc.manifest

@@ -33,7 +33,7 @@ module.exports = {
             },
             additions: [
                 {
-                    file: "%{install_path}/es_patch.zt2"
+                    file: "%install_path/es_patch.zt2"
                 }
             ]
         },
@@ -52,12 +52,12 @@ module.exports = {
             },
             additions: [
                 {
-                    file: "%{install_path}/widescreen_patch.zt2"
+                    file: "%install_path%/widescreen_patch.zt2"
                 }
             ]
         },
     ],
-    execute: `%{pack_dir}/zt.exe`,
+    execute: `%pack_dir%/zt.exe`,
     executable: true,
     init: ({ os_string }) => {
         if (typeof global._.bundles[os_string] === "undefined") {