Fix shellcheck errors

Signed-off-by: Christian König <ckoenig@posteo.de>

advanced/Scripts/piholeLogFlush.sh

@@ -30,10 +30,10 @@ if [ -z "$DBFILE" ]; then
     DBFILE="/etc/pihole/pihole-FTL.db"
 fi
 
-if [[ "$@" != *"quiet"* ]]; then
+if [[ "$*" != *"quiet"* ]]; then
     echo -ne "  ${INFO} Flushing /var/log/pihole/pihole.log ..."
 fi
-if [[ "$@" == *"once"* ]]; then
+if [[ "$*" == *"once"* ]]; then
     # Nightly logrotation
     if command -v /usr/sbin/logrotate >/dev/null; then
         # Logrotate once
@@ -69,7 +69,7 @@ else
     sudo pihole restartdns
 fi
 
-if [[ "$@" != *"quiet"* ]]; then
+if [[ "$*" != *"quiet"* ]]; then
     echo -e "${OVER}  ${TICK} Flushed /var/log/pihole/pihole.log"
     echo -e "  ${TICK} Deleted ${deleted} queries from database"
 fi

pihole

@@ -196,7 +196,7 @@ Time:
       echo -e "  ${INFO} Blocking already disabled, nothing to do"
       exit 0
     fi
-    if [[ $# > 1 ]]; then
+    if [[ $# -gt 1 ]]; then
       local error=false
       if [[ "${2}" == *"s" ]]; then
         tt=${2%"s"}