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-rw-r--r--src/backend/utils/misc/guc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index dfc6704fd4d..538d027606b 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -6187,7 +6187,7 @@ flatten_set_variable_args(const char *name, List *args)
A_Const *con;
if (l != list_head(args))
- appendStringInfo(&buf, ", ");
+ appendStringInfoString(&buf, ", ");
if (IsA(arg, TypeCast))
{