Fix 484 TIFFDirectory td_fieldsset uses unsigned long which can be 32 or 64 bits.
Fix 484 TIFFDirectory td_fieldsset uses unsigned long which can be 32 or 64 bits.
Closes #484 (closed)
Fix 484 TIFFDirectory td_fieldsset uses unsigned long which can be 32 or 64 bits.
Closes #484 (closed)