Re-enable STUN status 437 (No Binding) since this is used by TURN

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1443 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjnath/include/pjnath/stun_msg.h b/pjnath/include/pjnath/stun_msg.h
index 9fc16f1..311ea2b 100644
--- a/pjnath/include/pjnath/stun_msg.h
+++ b/pjnath/include/pjnath/stun_msg.h
@@ -338,8 +338,8 @@
     //PJ_STUN_SC_MISSING_REALM		= 434,  /**< Missing Realm	    */
     //PJ_STUN_SC_MISSING_NONCE		= 435,  /**< Missing Nonce	    */
     //PJ_STUN_SC_UNKNOWN_USERNAME	= 436,  /**< Unknown Username	    */
-    //PJ_STUN_SC_NO_BINDING	        = 437,  /**< No Binding.	    */
 #endif
+    PJ_STUN_SC_NO_BINDING	        = 437,  /**< No Binding.	    */
     PJ_STUN_SC_STALE_NONCE	        = 438,  /**< Stale Nonce	    */
     PJ_STUN_SC_TRANSITIONING		= 439,  /**< Transitioning.	    */
     PJ_STUN_SC_UNSUPP_TRANSPORT_PROTO   = 442,  /**< Unsupported Transport or
diff --git a/pjnath/src/pjnath/stun_msg.c b/pjnath/src/pjnath/stun_msg.c
index 582af0c..8398392 100644
--- a/pjnath/src/pjnath/stun_msg.c
+++ b/pjnath/src/pjnath/stun_msg.c
@@ -63,7 +63,7 @@
     //{ PJ_STUN_SC_MISSING_REALM,	    "Missing Realm"},
     //{ PJ_STUN_SC_MISSING_NONCE,	    "Missing Nonce"},
     //{ PJ_STUN_SC_UNKNOWN_USERNAME,	    "Unknown Username"},
-    //{ PJ_STUN_SC_NO_BINDING,		    "No Binding"},
+    { PJ_STUN_SC_NO_BINDING,		    "No Binding"},
     { PJ_STUN_SC_STALE_NONCE,		    "Stale Nonce"},
     { PJ_STUN_SC_TRANSITIONING,		    "Active Destination Already Set"},
     { PJ_STUN_SC_UNSUPP_TRANSPORT_PROTO,    "Unsupported Transport Protocol"},