build: fix DBUS build issue

The issue was caused by a missing end character and an invalid type.

Change-Id: I531c01a0158d9169622de23543f32d422789dd6c

bin/dbus/cx.ring.Ring.ConfigurationManager.xml

@@ -579,7 +579,7 @@
             <arg type="s" name="accountId" direction="in"/>
             <arg type="s" name="displayName" direction="in"/>
             <arg type="s" name="avatar" direction="in"/>
-            <arg type="i" name="flag" direction="in">
+            <arg type="t" name="flag" direction="in"/>
             <tp:docstring>
                Update the profile of the account and send it to peers.
                 Flag options :