prevented ps from truncating username in its output, resolves #241

.tmux.conf

@@ -478,8 +478,8 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #       }
 #     '
 #   else
-#     ps -t "$tty" -o user= -o pid= -o ppid= -o command= | awk '
-#       (/ssh/ && !/-W/) || !/ssh/ {
+#     ps -t "$tty" -o user=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX -o pid= -o ppid= -o command= | awk '
+#       NR > 1 && ((/ssh/ && !/-W/) || !/ssh/) {
 #         user[$2] = $1; parent[$2] = $3; child[$3] = $2; for (i = 4 ; i <= NF; ++i) command[$2] = i > 4 ? command[$2] FS $i : $i
 #       }
 #       END {