Moved macro to header file.

sqstdlib/sqstdstring.cpp

@@ -64,9 +64,6 @@ static SQInteger validate_format(HSQUIRRELVM v, SQChar *fmt, const SQChar *src,
 	fmt[(n-start)+2] = '\0';
 	return n;
 }
-
-/* macro to `unsign' a character */
-#define uchar(c)	((unsigned SQChar)(c))
 
 SQRESULT sqstd_format(HSQUIRRELVM v,SQInteger nformatstringidx,SQInteger *outlen,SQChar **output)
 {