Make sh scrips POSIX compliant

Using shellcheck, I went through all of them to make them standards
compliant. I also tested as many as I could.

1 files changed, 1 insertions, 1 deletions

diff --git a/slockd b/slockd
index 64fefb6..e1db6cc 100755
--- a/slockd
+++ b/slockd
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-WLCNT="$(pgrep -U$(whoami) -x slockd | wc -l)"
+WLCNT="$(pgrep -U"$(whoami)" -x slockd | wc -l)"
 [ "${WLCNT:-0}" -gt "2" ] && printf "Already running!\n" && exit
 
 while true; do