Re: [PATCH 3/8] windowscodecs/tests: Use a helper instead of a macro.

[Dmitry Timoshkov]

> -#define IFD_BYTE 1
> -#define IFD_ASCII 2
> -#define IFD_SHORT 3
> -#define IFD_LONG 4
> -#define IFD_RATIONAL 5
> -#define IFD_SBYTE 6
> -#define IFD_UNDEFINED 7
> -#define IFD_SSHORT 8
> -#define IFD_SLONG 9
> -#define IFD_SRATIONAL 10
> -#define IFD_FLOAT 11
> -#define IFD_DOUBLE 12
> -#define IFD_IFD 13

Please leave the tag ids defined, this matches both the implementation and
the Adobe TIFF specification. Also this would avoid a change that doesn't
match the declared subject.