Reorder postgresql.conf WAL section to be clearer.

src/backend/utils/misc/postgresql.conf.sample

@@ -60,15 +60,18 @@
 #
 #	Write-ahead log (WAL)
 #
+#checkpoint_segments = 3	# in logfile segments (16MB each), min 1
+#checkpoint_timeout = 300	# in seconds, range 30-3600
+#
 #wal_files = 0	# range 0-64
-#wal_sync_method = fsync   # the default varies across platforms:
-#			   # fsync, fdatasync, open_sync, or open_datasync
-#wal_debug = 0             # range 0-16
+#
 #commit_delay = 0		# range 0-100000
 #commit_siblings = 5		# range 1-1000
-#checkpoint_segments = 3   # in logfile segments (16MB each), min 1
-#checkpoint_timeout = 300  # in seconds, range 30-3600
+#
 #fsync = true
+#wal_sync_method = fsync	# the default varies across platforms:
+#				# fsync, fdatasync, open_sync, or open_datasync
+#wal_debug = 0			# range 0-16
 
 
 #
@@ -97,7 +100,8 @@
 #geqo = true
 #geqo_selection_bias = 2.0	# range 1.5-2.0
 #geqo_threshold = 11
-#geqo_pool_size = 0        # default based on #tables in query, range 128-1024
+#geqo_pool_size = 0		# default based on tables in query, 
+				# range 128-1024
 #geqo_effort = 1
 #geqo_generations = 0
 #geqo_random_seed = -1		# auto-compute seed