JSON-20 : add missing comma.

server/json-adapter.hh

@@ -56,7 +56,7 @@ public:
 	static PEP_STATUS notifyHandshake(void* obj, pEp_identity* self, pEp_identity* partner, sync_handshake_signal signal);
 
 	// BEWARE: msg is 1st parameter, obj is second!!!
-	static int injectSyncMsg(void* msg void* obj);
+	static int injectSyncMsg(void* msg, void* obj);
 	static void *retrieveNextSyncMsg(void* obj, time_t* timeout);
 	static void *syncThreadRoutine(void* arg);