1 files changed, 1 insertions, 0 deletions
diff --git a/gdb/ax-gdb.h b/gdb/ax-gdb.h
index 65e703e..a512cb5 100644
--- a/gdb/ax-gdb.h
+++ b/gdb/ax-gdb.h
@@ -20,6 +20,7 @@
 #define AX_GDB_H
 
 struct expression;
+union exp_element;
 
 /* Types and enums */