x86_64 syscall table update

On Linux, the underlying system calls were renamed in Linux 2.6:
pread() became pread64(), and pwrite() became pwrite64(). The system
call numbers remained the same. The glibc pread() and pwrite()
wrapper functions transparently deal with the change.

Author: Cropi

lib/x86_64_table.h

@@ -37,8 +37,8 @@ _S(13, "rt_sigaction")
 _S(14, "rt_sigprocmask")
 _S(15, "rt_sigreturn")
 _S(16, "ioctl")
-_S(17, "pread")
-_S(18, "pwrite")
+_S(17, "pread64")
+_S(18, "pwrite64")
 _S(19, "readv")
 _S(20, "writev")
 _S(21, "access")