Fix(bin/xtitle): Use `$(hostname)` instead of `${HOSTNAME}`

`${HOSTNAME}` is a bashism.

diff --git a/bin/xtitle b/bin/xtitle
index b88560ad384ae3ddb23149b4f1df64d436a9e71c..9fc678e5b25e8f62ebb8096e0e0bd30028010179 100755 (executable)
--- a/bin/xtitle
+++ b/bin/xtitle
@@ -3,7 +3,7 @@
 case "$TERM" in
    *rxvt*|screen*|*term*|vt100)
       if [ -z "$1" ]; then
-         TITLE="${USER}@${HOSTNAME}:$(echo ${PWD} | sed -e "s|^${HOME}|~|")"
+         TITLE="${USER}@`hostname`:$(echo ${PWD} | sed -e "s|^${HOME}|~|")"
       else
          TITLE="$@"
       fi