Use PROVOLATILE constant

diff --git a/src/function.c b/src/function.c
index 19b77ade00777bd6b19b8149894720cf93b8a95e..f5f1d42c33274d81cf56cf34899a38bae43b2e62 100644 (file)
--- a/src/function.c
+++ b/src/function.c
@@ -479,7 +479,7 @@ fn_compile(FunctionCallInfo fcinfo,
        Form_pg_proc proc_struct;
 
        proc_struct = (Form_pg_proc) GETSTRUCT(proc_tuple);
-       if (proc_struct->provolatile != 'v')
+       if (proc_struct->provolatile != PROVOLATILE_VOLATILE)
                elog(ERROR, "PL/Proxy functions must be volatile");
 
        f = fn_new(fcinfo, proc_tuple);