fix updater versionstring

forge-gui-android/src/forge/app/Main.java

@@ -611,6 +611,11 @@ public class Main extends ForgeAndroidApplication {
             return Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) + "/";
         }
 
+        @Override
+        public String getVersionString() {
+            return versionString;
+        }
+
         @Override
         public boolean openFile(String filename) {
             try {