Fix bug 1604 - Adding fs.sync() at startup

Change-Id: I9931b0c87923ade9cae36b59c8a2cab939c3bb93
Signed-off-by: sousaedu <eduardo.sousa@canonical.com>
diff --git a/osm_lcm/lcm.py b/osm_lcm/lcm.py
index 6c8be98..1f9f3c9 100644
--- a/osm_lcm/lcm.py
+++ b/osm_lcm/lcm.py
@@ -153,6 +153,7 @@
             self.db = Database(config).instance.db
 
             self.fs = Filesystem(config).instance.fs
+            self.fs.sync()
 
             # copy message configuration in order to remove 'group_id' for msg_admin
             config_message = config["message"].copy()