Don't use unquoted whitespace in "case" case.

config

diff --git a/config b/config
index c04acf7..9ab969a 100755
--- a/config
+++ b/config
@@ -243,7 +243,7 @@
 # Now NeXT
 ISNEXT=`hostinfo 2>/dev/null`
 case "$ISNEXT" in
-    *NeXT Mach 3.3*)
+    *'NeXT Mach 3.3'*)
 	echo "whatever-next-nextstep3.3"; exit 0
 	;;
     *NeXT*)