Add missing using statement.

IvenBach · IvenBach · commit 2df85c13983b · 2018-08-27T16:07:14.000-07:00
diff --git a/Rubberduck.Parsing/VBA/RubberduckParserState.cs b/Rubberduck.Parsing/VBA/RubberduckParserState.cs
@@ -18,6 +18,7 @@
 using Rubberduck.VBEditor.Events;
 using Rubberduck.VBEditor.SafeComWrappers;
 using Rubberduck.VBEditor.SafeComWrappers.Abstract;
+using Antlr4.Runtime;
 
 // ReSharper disable LoopCanBeConvertedToQuery
 
