Log Message:
libxshmfence: update to 1.3.3.

Alan Coopersmith (4):
      configure: Use LT_INIT from libtool 2 instead of deprecated AC_PROG_LIBTOOL
      configure: replace deprecated AC_HELP_STRING with AS_HELP_STRING
      configure: replace deprecated AC_TRY_COMPILE with AC_COMPILE_IFELSE
      libxshmfence 1.3.3

Asahi Lina (1):
      alloc: Allow disabling memfd usage at runtime with XSHMFENCE_NO_MEMFD=1

Thomas Devoogdt (1):
      src/xshmfence_futex.h: fix build on 32-bit architectures using 64-bit time_t