Add max_count to state record
diff --git a/src/rexi_buffer.erl b/src/rexi_buffer.erl
index 26f3c97..42b4ef2 100644
--- a/src/rexi_buffer.erl
+++ b/src/rexi_buffer.erl
@@ -26,7 +26,8 @@
 -record(state, {
     buffer = queue:new(),
     sender = nil,
-    count = 0
+    count = 0,
+    max_count
 }).
 
 start_link(ServerId) ->