utils/filtron.sh: add command 'update filtron'

BTW: tidy up some code style and fix some issues reported by the linter.

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/utils/lib.sh b/utils/lib.sh
index d06cabf26..fd6b92129 100755
--- a/utils/lib.sh
+++ b/utils/lib.sh
@@ -75,7 +75,7 @@ info_msg() { echo -e "INFO:  $*"; }
 
 clean_stdin() {
     if [[ $(uname -s) != 'Darwin' ]]; then
-        while $(read -n1 -t 0.1); do : ; done
+        while read -n1 -t 0.1; do : ; done
     fi
 }