xzless: Rename unused variables to silence static analysers.
In this particular case I don't see this affecting readability
of the code.
Thanks to Pavel Raiskup.
diff --git a/src/scripts/xzless.in b/src/scripts/xzless.in
index 288dd87..1b85ad6 100644
--- a/src/scripts/xzless.in
+++ b/src/scripts/xzless.in
@@ -46,7 +46,7 @@
LESSMETACHARS="$space$tab$nl'"';*?"()<>[|&^`#\$%=~'
fi
-if test "$(less -V | { read less ver re && echo ${ver}; })" -ge 429; then
+if test "$(less -V | { read _ ver _ && echo ${ver}; })" -ge 429; then
# less 429 or later: LESSOPEN pipe will be used on
# standard input if $LESSOPEN begins with |-.
LESSOPEN="|-$xz -cdfq -- %s"
