rebar_xref: move code to proper place

src/rebar_xref.erl

@@ -46,6 +46,10 @@ xref(Config, _X) ->
         false -> xref0(Config, _X)
     end.
 
+%% ===================================================================
+%% Internal functions
+%% ===================================================================
+
 xref0(Config, _) ->
     %% Spin up xref
     {ok, _} = xref:start(xref),
@@ -96,10 +100,6 @@ xref0(Config, _) ->
             ?FAIL
     end.
 
-%% ===================================================================
-%% Internal functions
-%% ===================================================================
-
 check_exports_not_used() ->
     {ok, UnusedExports0} = xref:analyze(xref, exports_not_used),
     UnusedExports = filter_away_ignored(UnusedExports0),