Change make-syscalls.sh to make syscall interception possible.

sysdeps/nacl/dl-sysdep.c

 /* The COOKIE is the argument to _dl_start, which is passed through from
    the first C function argument set up by the NaCl trusted runtime's
    startup sequence.  We extract the arguments et al from here rather
    than from the traditional Unix/ELF stack setup.  */
 
 #define DL_FIND_ARG_COMPONENTS(cookie, argc, argv, envp, auxp)  \
   do {                                                          \
     uint32_t *_info = (void *) (cookie);                        \
     int _envc = _info[1];                                       \
     (argc) = _info[2];                                          \
     (argv) = (void *) &_info[3];                                \
     (envp) = &(argv)[(argc) + 1];                               \
     (auxp) = (void *) &(envp)[_envc + 1];                       \
   } while (0)
 
-#include <sysdeps/unix/sysv/linux/dl-sysdep.c>
+#include <linux/dl-sysdep.c>