Update makewin.m

mfiles/mexfiles/makewin.m

@@ -9,6 +9,8 @@
 % If your Matlab is 32bits, this will not work. Contact me to
 % supply the 32bit version.
 %
+% You have to have he file CUDD.lib availoble in the .\cuddwin64\lib
+% You will find it in a compressed file. Uncompress it.
 %
 clear all;
 delete mexSymbolicSet.mex*