Fix recursive regions matching when a recursive matches just before an end

%sh{ $test {} $test } was incorrrectly closing the %sh block at the first {
because it was immediatly followed by a }.

src/highlighters.cc

@@ -820,7 +820,7 @@ struct RegionMatches
                 return end_it;
 
             while (rec_it != recurse_matches.end() and
-                   rec_it->end_coord() < end_it->begin_coord())
+                   rec_it->end_coord() <= end_it->begin_coord())
             {
                 ++recurse_level;
                 ++rec_it;