Add changes discussed with Dave Reisner on the arch-projects list.libretools-20140511

 - Simplify the commented out call to find HOST_NAME_MAX
 - Use `systemd-nspawn -q` instead of 2>/dev/null
 - Use Bash 4.1's new {var}>&- syntax in lock_close()

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/common.sh b/lib/common.sh
index 44d12c3..6305528 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -183,7 +183,7 @@ slock() {
 ##
 lock_close() {
 	local fd=$1
-	eval "exec $fd>&-"
+	exec {fd}>&-
 }
 
 ##