Rename PRI__s64 to PRI__d64
Rename PRI__s64 to PRI__d64

As PRI__*64 macros mirror PRI*64 macros from inttypes.h, follow the
principle of least astonishment and name these macros the same way.

* defs.h (PRI__s64): Rename to PRI__d64.

cuviper/strace,Saruta/strace,Saruta/strace,Saruta/strace,cuviper/strace,cuviper/strace,cuviper/strace,Saruta/strace,Saruta/strace,cuviper/strace