Re: guc: make dereference style consistent in check_backtrace_functions

[Álvaro Herrera]

There is at least one more place in the code where this is done.

-- 
Álvaro Herrera               48°01'N 7°57'E  —  https://www.EnterpriseDB.com/
"Industry suffers from the managerial dogma that for the sake of stability
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