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-rw-r--r--src/pl/plperl/plperl_helpers.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/pl/plperl/plperl_helpers.h b/src/pl/plperl/plperl_helpers.h
index c1c7c297cc5..fab0a7ba081 100644
--- a/src/pl/plperl/plperl_helpers.h
+++ b/src/pl/plperl/plperl_helpers.h
@@ -1,6 +1,8 @@
#ifndef PL_PERL_HELPERS_H
#define PL_PERL_HELPERS_H
+#include "mb/pg_wchar.h"
+
/*
* convert from utf8 to database encoding
*