Merge changes I37548c4a,I8238590c,I6b82ba5b,I6355a1f8,I681452b0, ...

* changes:
  Alias sys_getpeername to sys_getsockname
  Alias sys_stime to sys_time
  Remove unused sys_mctl
  Alias sys_mkdir and sys_mkdirat to sys_chmod and sys_fchmodat
  Remove unused <sys/acl.h> based code
  Remove unused <sys/asynch.h> based code
  Print protocol name of socket descriptors with -yy option
  Replace MAXPATHLEN with PATH_MAX
  Decode FIFREEZE/FITHAW/FITRIM ioctls
  Include <sys/uio.h> unconditionally
  Consistently use C99 designated initializers in the new netlink code
  Decode open's O_TMPFILE
  hppa: update error codes and signal numbers
  stack trace support: fix check on symbol name presence
  tests: add a test for decoding and dumping of recvmmsg/sendmmsg
  Add functions for dumping iovecs in mmsghdr used in sendmmsg and recvmmsg
  Use the definition of struct mmsghdr if it is defined in build environment
  Introduce a separate function to copy from msghdr32 to msghdr
  ioctlsort: rewrite build rules using noinst_PROGRAMS
  Makefile.am: look for ioctl definitions in the kernel build tree by default