Pre-beta mechanical code beautification.

Run pgindent, pgperltidy, and reformat-dat-files.
I manually fixed a couple of comments that pgindent uglified.

src/include/access/amapi.h

@@ -245,7 +245,7 @@ typedef struct IndexAmRoutine
 	/* does AM use maintenance_work_mem? */
 	bool		amusemaintenanceworkmem;
 	/* does AM block HOT update? */
-	bool        amhotblocking;
+	bool		amhotblocking;
 	/* OR of parallel vacuum flags.  See vacuum.h for flags. */
 	uint8		amparallelvacuumoptions;
 	/* type of data stored in index, or InvalidOid if variable */

src/include/access/heapam.h

@@ -188,7 +188,7 @@ extern int	heap_page_prune(Relation relation, Buffer buffer,
 							struct GlobalVisState *vistest,
 							TransactionId old_snap_xmin,
 							TimestampTz old_snap_ts_ts,
-							int	*nnewlpdead,
+							int *nnewlpdead,
 							OffsetNumber *off_loc);
 extern void heap_page_prune_execute(Buffer buffer,
 									OffsetNumber *redirected, int nredirected,

src/include/access/rmgr.h

@@ -26,7 +26,7 @@ typedef enum RmgrIds
 {
 #include "access/rmgrlist.h"
 	RM_NEXT_ID
-} RmgrIds;
+}			RmgrIds;
 
 #undef PG_RMGR
 

src/include/access/xact.h

@@ -231,9 +231,10 @@ typedef struct xl_xact_assignment
 typedef struct xl_xact_xinfo
 {
 	/*
-	 * Even though we right now only require two bytes of space in xinfo we use
-	 * four so following records don't have to care about alignment. Commit
-	 * records can be large, so copying large portions isn't attractive.
+	 * Even though we right now only require two bytes of space in xinfo we
+	 * use four so following records don't have to care about alignment.
+	 * Commit records can be large, so copying large portions isn't
+	 * attractive.
 	 */
 	uint32		xinfo;
 } xl_xact_xinfo;
@@ -274,7 +275,7 @@ typedef struct xl_xact_stats_item
 
 typedef struct xl_xact_stats_items
 {
-	int		nitems;
+	int			nitems;
 	xl_xact_stats_item items[FLEXIBLE_ARRAY_MEMBER];
 } xl_xact_stats_items;
 #define MinSizeOfXactStatsItems offsetof(xl_xact_stats_items, items)
@@ -378,7 +379,7 @@ typedef struct xl_xact_parsed_commit
 	char		twophase_gid[GIDSIZE];	/* only for 2PC */
 	int			nabortrels;		/* only for 2PC */
 	RelFileNode *abortnodes;	/* only for 2PC */
-	int			nabortstats;		/* only for 2PC */
+	int			nabortstats;	/* only for 2PC */
 	xl_xact_stats_item *abortstats; /* only for 2PC */
 
 	XLogRecPtr	origin_lsn;

src/include/access/xlogstats.h

@@ -20,20 +20,20 @@
 
 typedef struct XLogRecStats
 {
-	uint64	count;
-	uint64	rec_len;
-	uint64	fpi_len;
+	uint64		count;
+	uint64		rec_len;
+	uint64		fpi_len;
 } XLogRecStats;
 
 typedef struct XLogStats
 {
-	uint64	count;
+	uint64		count;
 #ifdef FRONTEND
 	XLogRecPtr	startptr;
 	XLogRecPtr	endptr;
 #endif
-	XLogRecStats    rmgr_stats[RM_MAX_ID + 1];
-	XLogRecStats    record_stats[RM_MAX_ID + 1][MAX_XLINFO_TYPES];
+	XLogRecStats rmgr_stats[RM_MAX_ID + 1];
+	XLogRecStats record_stats[RM_MAX_ID + 1][MAX_XLINFO_TYPES];
 } XLogStats;
 
 extern void XLogRecGetLen(XLogReaderState *record, uint32 *rec_len,

src/include/access/xlogutils.h

@@ -78,7 +78,7 @@ typedef enum
 /* Private data of the read_local_xlog_page_no_wait callback. */
 typedef struct ReadLocalXLogPageNoWaitPrivate
 {
-	bool end_of_wal;	/* true, when end of WAL is reached */
+	bool		end_of_wal;		/* true, when end of WAL is reached */
 } ReadLocalXLogPageNoWaitPrivate;
 
 extern XLogRedoAction XLogReadBufferForRedo(XLogReaderState *record,