ARM64: fix build due to incomplete ppoll decl

lss/linux_syscall_support.h

 /* Copyright (c) 2005-2011, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 3926 matching lines @@
 
 #if defined(__aarch64__)
   LSS_INLINE _syscall3(int, dup3,  int, s, int, d, int, f)
   LSS_INLINE _syscall6(void *, mmap, void *, addr, size_t, length, int, prot,
                        int, flags, int, fd, int64_t, offset)
   LSS_INLINE _syscall4(int, newfstatat, int, dirfd, const char *, pathname,
                        struct kernel_stat *, buf, int, flags)
   LSS_INLINE _syscall2(int, pipe2, int *, pipefd, int, flags)
   LSS_INLINE _syscall5(int, ppoll, struct kernel_pollfd *, u,
                        unsigned int, n, const struct kernel_timespec *, t,
-                       const kernel_sigset_t *, sigmask, size_t, s)
+                       const struct kernel_sigset_t *, sigmask, size_t, s)
   LSS_INLINE _syscall4(int, readlinkat, int, d, const char *, p, char *, b,
                        size_t, s)
 #endif
 
 /*
  * Polyfills for deprecated syscalls.
  */
 
 #if defined(__aarch64__)
   LSS_INLINE int LSS_NAME(dup2)(int s, int d) {
@@ skipping 62 matching lines @@
 # pragma pop_macro("fstat64")
 # pragma pop_macro("lstat64")
 #endif
 
 #if defined(__cplusplus) && !defined(SYS_CPLUSPLUS)
 }
 #endif
 
 #endif
 #endif