SVN: Show conflicted files in submit editor

So far, they didn't show up in the submit editor,
so they could be forgotten during a commit.

Unlike Git, these files don't prohibit the commit,
but at least are shown in the list of modified files
and can be diffed.

Change-Id: Ia5cac7befb870321d2048622c1fac022d979c745
Reviewed-by: Hugues Delorme <delorme.hugues@fougue.pro>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/plugins/subversion/subversionplugin.h

@@ -57,6 +57,11 @@ struct SubversionResponse
     QString message;
 };
 
+const char FileAddedC[]      = "A";
+const char FileConflictedC[] = "C";
+const char FileDeletedC[]    = "D";
+const char FileModifiedC[]   = "M";
+
 class SubversionPlugin : public VcsBase::VcsBasePlugin
 {
     Q_OBJECT