Keep the flag for backwards config compatibility.

Signed-off-by: Pierre Fenoll <[email protected]>

Author: fenollp

priv/schema/rabbit.schema

@@ -1067,6 +1067,15 @@ end}.
 %% NB: Change these only if you understand what you are doing!
 %%
 
+%% Explicitly enable/disable hipe compilation.
+%%
+%% {hipe_compile, true},
+%%
+%% DEPRECATED: this is a no-op and is kept only to allow old configs.
+
+{mapping, "hipe_compile", "rabbit.hipe_compile",
+    [{datatype, {enum, [true, false]}}]}.
+
 %% Timeout used when waiting for Mnesia tables in a cluster to
 %% become available.
 %%