[Bug-tar] silly fix for typo

[Erik Bennett]

I'm sure this patch will get butchered by wherever email programs are 
in  play here, but it's just a typo;  the meaning should be plain: 
"bunch" vs. "buch" in the comments. (I assume that's what was meant.)

-E



rcsdiff -c -r1.1 tar-1.32/scripts/backup.in
===================================================================
RCS file: tar-1.32/scripts/backup.in,v
retrieving revision 1.1
diff -c -r1.1 tar-1.32/scripts/backup.in
*** tar-1.32/scripts/backup.in  2019/03/28 01:31:17     1.1
--- tar-1.32/scripts/backup.in  2019/03/28 01:31:33
***************
*** 149,155 ****
  message 20 "BACKUP_DIRS=$BACKUP_DIRS"
  message 20 "BACKUP_FILES=$BACKUP_FILES"

! # The buch of commands below is run in a subshell for which all output is
  # piped through 'tee' to the logfile.  Doing this, instead of having
  # multiple pipelines all over the place, is cleaner and allows access to
  # the exit value from various commands more easily.
--- 149,155 ----
  message 20 "BACKUP_DIRS=$BACKUP_DIRS"
  message 20 "BACKUP_FILES=$BACKUP_FILES"

! # The bunch of commands below is run in a subshell for which all output is
  # piped through 'tee' to the logfile.  Doing this, instead of having
  # multiple pipelines all over the place, is cleaner and allows access to
  # the exit value from various commands more easily.