Fix function return type confusion
When parse_hba_line's return type was changed from bool to a pointer,
the MANDATORY_AUTH_ARG macro wasn't adjusted.
@@ -761,7 +761,7 @@ check_same_host_or_net(SockAddr *raddr, IPCompareMethod method)
authname, argname), \
errcontext("line %d of configuration file \"%s\"", \
line_num, HbaFileName))); \
- return false; \
+ return NULL; \
} \
} while (0);
