fix this bug.  note that's not an M that's capital μ
	; `{yesterday /rc/bin/man} ΜLAWDEC
	man: no manual page

Reference: /n/atom/patch/applied2013/manrunelook
Date: Thu Dec  5 13:10:03 CET 2013
Signed-off-by: quanstro@quanstro.net

--- /rc/bin/man	Thu Dec  5 13:09:19 2013
+++ /rc/bin/man	Thu Dec  5 13:09:19 2013
@@ -83,7 +83,7 @@
 	for(i) {
 		if(~ $i intro) i=0intro
 		for(n in $sec) {
-			try=`{echo $S/$n/$i | tr A-Z a-z}
+			try=`{echo $S/$n/$i | rune/case}
 			if (/bin/test -f $try)
 				fils=($fils $try)
 		}