hppa seems to be the only architecture that defines ECANCELLED synonym
for ECANCELED constant, other architectures just define ECANCELED.
Change the way how this constant is printed on hppa to be in line
with other architectures.
* linux/hppa/errnoent.h [253]: Rename ECANCELLED to ECANCELED.
[249] = "ELOOP",
[251] = "ENOSYS",
[252] = "ENOTSUP",
-[253] = "ECANCELLED",
+[253] = "ECANCELED",
[254] = "EOWNERDEAD",
[255] = "ENOTRECOVERABLE",
[256] = "ERFKILL",