Add pg_resetwal and pg_controldata support for new control file field

I forgot these in commit 3e0ae46d90.

Discussion: https://www.postgresql.org/message-id/2afded89-f9f0-4191-84d8-8b8668e029a1@iki.fi

src/bin/pg_controldata/pg_controldata.c

@@ -317,6 +317,8 @@ main(int argc, char *argv[])
 		   ControlFile->blcksz);
 	printf(_("Blocks per segment of large relation: %u\n"),
 		   ControlFile->relseg_size);
+	printf(_("Pages per SLRU segment:               %u\n"),
+		   ControlFile->slru_pages_per_segment);
 	printf(_("WAL block size:                       %u\n"),
 		   ControlFile->xlog_blcksz);
 	printf(_("Bytes per WAL segment:                %u\n"),

src/bin/pg_resetwal/pg_resetwal.c

@@ -697,6 +697,7 @@ GuessControlValues(void)
 	ControlFile.floatFormat = FLOATFORMAT_VALUE;
 	ControlFile.blcksz = BLCKSZ;
 	ControlFile.relseg_size = RELSEG_SIZE;
+	ControlFile.slru_pages_per_segment = SLRU_PAGES_PER_SEGMENT;
 	ControlFile.xlog_blcksz = XLOG_BLCKSZ;
 	ControlFile.xlog_seg_size = DEFAULT_XLOG_SEG_SIZE;
 	ControlFile.nameDataLen = NAMEDATALEN;
@@ -766,6 +767,8 @@ PrintControlValues(bool guessed)
 		   ControlFile.blcksz);
 	printf(_("Blocks per segment of large relation: %u\n"),
 		   ControlFile.relseg_size);
+	printf(_("Pages per SLRU segment:               %u\n"),
+		   ControlFile.slru_pages_per_segment);
 	printf(_("WAL block size:                       %u\n"),
 		   ControlFile.xlog_blcksz);
 	printf(_("Bytes per WAL segment:                %u\n"),