Add some missing syscall numbers for MIPS.

The header file has been extended with the missing syscall numbers for MIPS,
and sys_prlimit64 has been enabled. This will make none/tests/rlimit64_nofile
pass.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12752 a5019735-40e9-0310-863c-91ae7b9d1cf9
2 files changed