sharutils: Executable files in tarball

[Santiago Vila]

Hello.

There are a lot of files in sharutils-4.6.tar.gz which are executable
without (IMHO) a good reason. Most probably, they should be 644 instead.
I've made a list. No claim of being complete:

AUTHORS
COPYING
ChangeLog
INSTALL
Makefile.am
THANKS
TODO
configure.ac
contrib/ChangeLog
contrib/Makefile.am
contrib/bas-README
contrib/pas-R.Marks
contrib/pas-README
contrib/uudecode.bas
contrib/uudecode.pas
contrib/uuencode.pas
doc/ChangeLog
doc/Makefile.am
doc/ansi2knr.1
doc/doclicense.texi
doc/shar.1
doc/sharutils.texi
doc/texinfo.tex
doc/unshar.1
doc/uuencode.1
doc/uuencode.5
lib/ChangeLog
lib/Makefile.am
lib/alloca.c
lib/ansi2knr.c
lib/basename.c
lib/basename.h
lib/error.c
lib/error.h
lib/exit.h
lib/getopt.c
lib/getopt.h
lib/getopt1.c
lib/gettext.h
lib/inttostr.c
lib/inttostr.h
lib/liballoca.h
lib/malloc.c
lib/md5.c
lib/md5.h
lib/memset.c
lib/mktime.c
lib/offtostr.c
lib/pathmax.h
lib/realloc.c
lib/stpcpy.c
lib/stpcpy.h
lib/strftime.c
lib/strtoimax.c
lib/strtol.c
lib/strtoll.c
lib/system.h
lib/whoami.c
lib/xalloc.h
lib/xgetcwd.c
lib/xgetcwd.h
lib/xmalloc.c
lib/xstrdup.c
m4/error.m4
m4/malloc.m4
m4/realloc.m4
m4/sharutils.m4
m4/xstrtoimax.m4
po/ChangeLog
po/Makevars
po/POTFILES.in
src/ChangeLog
src/Makefile.am
src/compress-dummy.in
src/encode.c
src/mail-files.in
src/mailshar.in
src/remsync.in
src/shar.c
src/unshar.c
src/uudecode.c
src/uuencode.c
tests/ChangeLog
tests/Makefile.am
tests/testdata

Thanks.