Make spacing and punctuation consistent

src/backend/utils/mb/Unicode/UCS_to_SHIFT_JIS_2004.pl

@@ -168,9 +168,9 @@ while ($line = <FILE>)
 	if ($array{$code} ne "")
 	{
 		printf STDERR
-		  "Warning: duplicate UTF-8: %08x UCS: %04x Shift JIS: %04x\n", $utf,
+		  "Warning: duplicate UTF8: %08x UCS: %04x Shift JIS: %04x\n", $utf,
 		  $ucs, $code;
-		printf STDERR "Previous value: UTF-8: %08x\n", $array{$utf};
+		printf STDERR "Previous value: UTF8: %08x\n", $array{$utf};
 		next;
 	}
 	$count++;

src/backend/utils/mb/Unicode/UCS_to_SJIS.pl

@@ -55,7 +55,7 @@ while (<FILE>)
 				&& ($code <= 0x879c)))
 		{
 			printf STDERR
-			  "Warning: duplicate UTF8 : UCS=0x%04x  SJIS=0x%04x\n", $ucs,
+			  "Warning: duplicate UTF8: UCS=0x%04x SJIS=0x%04x\n", $ucs,
 			  $code;
 			next;
 		}