Merge pull request #4 from simonpoole/use_baseUrl_when_going_back

Use baseUrl when restarting dialog, not the default

Author: zedlabs

ElementHistoryDialog/src/main/java/me/zed/elementhistorydialog/ComparisonScreen.java

@@ -143,7 +143,7 @@ void initUi(View view) {
                 getDialog().onBackPressed();
                 if (getFragmentManager() != null) {
                     getFragmentManager().beginTransaction()
-                            .add(ElementHistoryDialog.create(elementA.osmId, elementA.getType().name().toLowerCase()), null)
+                            .add(ElementHistoryDialog.create(baseUrl, elementA.osmId, elementA.getType().name().toLowerCase()), null)
                             .hide(this)
                             .commit();
                 }