lib/Tools/logo

--- a/lib/Tools/logo	Wed Nov 22 21:38:26 2000 +0100
+++ b/lib/Tools/logo	Wed Nov 22 21:41:39 2000 +0100
@@ -7,7 +7,7 @@
 # DESCRIPTION: create an instance of the Isabelle logo
 
 
-PRG=$(basename "$0")
+PRG="$(basename "$0")"
 
 function usage()
 {