native: Reformat code

native/src/main/java/com/hippo/Native.java

@@ -5,9 +5,14 @@ public class Native {
     public static void initialize() {
         System.loadLibrary("ehviewer");
     }
+
     public static native String getlibarchiveVersion();
+
     public static native String getliblzmaVersion();
+
     public static native String getlibzstdVersion();
+
     public static native String getlibjpeg_turboVersion();
+
     public static native String getzlibVersion();
 }