Add missing comment in postgresql.conf.

tatsuo-ishii · tatsuo-ishii · commit d90d5a1f7a77 · 2017-07-31T11:28:19.000+09:00
current_source requires to restart server to reflect the new
value. Per Yugo Nagata and Masahiko Sawada.

Back patched to 9.2 and beyond.
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
@@ -352,6 +352,7 @@
 #syslog_ident = 'postgres'
 
 # This is only relevant when logging to eventlog (win32):
+# (change requires restart)
 #event_source = 'PostgreSQL'
 
 # - When to Log -
