jni: Enable localhop_rib security, so self-learning can register in RIB

Disclaimer: this is a temporary solution and be replace with the proper
trust management inside NDN android app later.

Change-Id: Ifdf40a3ed4b86cbbafe34a153818c1b814275ba7
diff --git a/app/src/main/jni/nfd-wrapper.cpp b/app/src/main/jni/nfd-wrapper.cpp
index cc56ea0..9977083 100644
--- a/app/src/main/jni/nfd-wrapper.cpp
+++ b/app/src/main/jni/nfd-wrapper.cpp
@@ -102,13 +102,13 @@
             type any
           }
         }
-        ; localhop_security
-        ; {
-        ;   trust-anchor
-        ;   {
-        ;     type any
-        ;   }
-        ; }
+        localhop_security
+        {
+          trust-anchor
+          {
+            type any
+          }
+        }
         auto_prefix_propagate
         {
           refresh_interval 300