/lib/unicode now has 6 digits, so update ascii(1) accordingly.

Reference: /n/sources/patch/asciiman6dig
Date: Tue Mar 25 04:12:57 CET 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/man/1/ascii	Tue Mar 25 04:12:37 2014
+++ /sys/man/1/ascii	Tue Mar 25 04:12:36 2014
@@ -140,7 +140,7 @@
 .B "unicode 2200-22f1"
 Print a table of miscellaneous mathematical symbols.
 .TP
-.B "look 00039 /lib/unicode"
+.B "look 000039 /lib/unicode"
 See the start of the Greek alphabet's encoding in the Unicode Standard.
 .SH FILES
 .TF \fL/lib/unicode