Numeric constants as strings

Hello,

I'm working on bringing my hash width literals patch up to date now that 1.5.0 has passed. It's all been trivial apart from one line:

#define HASH_WIDTH_ASCII 40
-               printf("%-40s %s%s (%d subtrees)\n",
+               printf("%-" HASH_WIDTH_ASCII "s %s%s (%d subtrees)\n",

This compiles, but I suspect that it's not going to do what I want it to do. It's something I've never been able to do in C - how does one get quotes around a defined value? I don't really want to resort to

+               printf("%-*s %s%s (%d subtrees)\n", HASH_WIDTH_ASCII,

As that's a runtime change.

Andy