Add missing include.
The delete param.second needs the full definition of
struct AstNode.
Signed-off-by: Henner Zeller <hzeller@google.com>
diff --git a/systemverilog-plugin/uhdmastshared.h b/systemverilog-plugin/uhdmastshared.h
index 36a1068..5ea5d22 100644
--- a/systemverilog-plugin/uhdmastshared.h
+++ b/systemverilog-plugin/uhdmastshared.h
@@ -1,6 +1,8 @@
#ifndef _UHDM_AST_SHARED_H_
#define _UHDM_AST_SHARED_H_ 1
+#include "frontends/ast/ast.h"
+
#include "uhdmastreport.h"
#include <string>
#include <unordered_map>
