Changed final constant to add static

airsonic-main/src/main/java/org/airsonic/player/service/VersionService.java

@@ -224,7 +224,7 @@ public class VersionService {
         }
     }
 
-    private final String JSON_PATH = "$..tag_name";
+    private final static String JSON_PATH = "$..tag_name";
     private final Pattern VERSION_REGEX = Pattern.compile("^v(.*)");
     private static final String VERSION_URL = "https://api.github.com/repos/airsonic/airsonic/releases";