change from #9 to $PLAN9

bin/psfonts

diff --git a/bin/psfonts b/bin/psfonts
index b633d55..838ea7d 100755
--- a/bin/psfonts
+++ b/bin/psfonts
@@ -1,4 +1,4 @@
 #!/bin/sh
 
 echo %!PS-Adobe-2.0
-exec psdownload -f -mfontmap -r'#9/postscript/font/lw+'
+exec psdownload -f -mfontmap -r $PLAN9'/postscript/font/lw+'
\ No newline at end of file