pg_verify_checksums: Message style improvements and NLS support

The source code was already set up for NLS support, so just a nls.mk
file needed to be added.  Also, fix the old problem of putting the int64
format specifier right into the string, which breaks NLS.

src/bin/pg_verify_checksums/nls.mk

+# src/bin/pg_verify_checksums/nls.mk
+CATALOG_NAME     = pg_verify_checksums
+AVAIL_LANGUAGES  =
+GETTEXT_FILES    = pg_verify_checksums.c

src/bin/pg_verify_checksums/pg_verify_checksums.c

@@ -177,7 +177,7 @@ scan_directory(char *basedir, char *subdir)
 				segmentno = atoi(segmentpath);
 				if (segmentno == 0)
 				{
-					fprintf(stderr, _("%s: invalid segment number %d in filename \"%s\"\n"),
+					fprintf(stderr, _("%s: invalid segment number %d in file name \"%s\"\n"),
 							progname, segmentno, fn);
 					exit(1);
 				}
@@ -247,7 +247,7 @@ main(int argc, char *argv[])
 			case 'r':
 				if (atoi(optarg) <= 0)
 				{
-					fprintf(stderr, _("%s: invalid relfilenode: %s\n"), progname, optarg);
+					fprintf(stderr, _("%s: invalid relfilenode specification, must be numeric: %s\n"), progname, optarg);
 					exit(1);
 				}
 				only_relfilenode = pstrdup(optarg);
@@ -288,20 +288,20 @@ main(int argc, char *argv[])
 	ControlFile = get_controlfile(DataDir, progname, &crc_ok);
 	if (!crc_ok)
 	{
-		fprintf(stderr, _("%s: pg_control CRC value is incorrect.\n"), progname);
+		fprintf(stderr, _("%s: pg_control CRC value is incorrect\n"), progname);
 		exit(1);
 	}
 
 	if (ControlFile->state != DB_SHUTDOWNED &&
 		ControlFile->state != DB_SHUTDOWNED_IN_RECOVERY)
 	{
-		fprintf(stderr, _("%s: cluster must be shut down to verify checksums.\n"), progname);
+		fprintf(stderr, _("%s: cluster must be shut down to verify checksums\n"), progname);
 		exit(1);
 	}
 
 	if (ControlFile->data_checksum_version == 0)
 	{
-		fprintf(stderr, _("%s: data checksums are not enabled in cluster.\n"), progname);
+		fprintf(stderr, _("%s: data checksums are not enabled in cluster\n"), progname);
 		exit(1);
 	}
 
@@ -312,9 +312,9 @@ main(int argc, char *argv[])
 
 	printf(_("Checksum scan completed\n"));
 	printf(_("Data checksum version: %d\n"), ControlFile->data_checksum_version);
-	printf(_("Files scanned:  %" INT64_MODIFIER "d\n"), files);
-	printf(_("Blocks scanned: %" INT64_MODIFIER "d\n"), blocks);
-	printf(_("Bad checksums:  %" INT64_MODIFIER "d\n"), badblocks);
+	printf(_("Files scanned:  %s\n"), psprintf(INT64_FORMAT, files));
+	printf(_("Blocks scanned: %s\n"), psprintf(INT64_FORMAT, blocks));
+	printf(_("Bad checksums:  %s\n"), psprintf(INT64_FORMAT, badblocks));
 
 	if (badblocks > 0)
 		return 1;