Add link to description of debuggable check

Author: Fuzion24

app/src/main/java/fuzion24/device/vulnerability/broadcastreceiver/ScanRunnerBroadcastReceiver.java

@@ -29,7 +29,7 @@ public void onReceive(final Context context, Intent intent) {
 
         //Only allow this code to be ran on debug builds, since it accepts and writes to arbitrary file
         //paths, which would allow another app to arbitrarily write anywhere in this app's context.
-
+        // http://android-developers.blogspot.com/2010/09/securing-android-lvl-applications.html
         boolean isDebuggable = ( 0 != ( context.getApplicationInfo().flags &= ApplicationInfo.FLAG_DEBUGGABLE ) );
         if(!isDebuggable){
             return;