Log Message:
xsm: update to 1.0.5.

Alan Coopersmith (12):
      Remove ancient System() replacement for system(3c) on Solaris
      Update configure.ac bug URL for gitlab migration
      gitlab CI: add a basic build test
      Use _CONST_X_STRING to make libXt declare String as const char *
      Increase size of number buffer to fit all possible values
      WriteSave: allocate enough room for full session_save_file in error
      Add noreturn attributes suggested by gcc
      gitlab CI: enable Static Application Security Testing (SAST)
      Build xz tarballs instead of bzip2
      Fix spelling/wording issues
      Fill in COPYING file with copyright notices from source code
      xsm 1.0.5