TT#24097 Use «grep -E» instead of deprecated egrep

Change-Id: Ia4d51ece3aba31777f62c92897d4e7c207e6d07c

debian/ngcp-rtpengine-recording-daemon.init

@@ -96,7 +96,7 @@ case "$1" in
 	log_daemon_msg "Starting $DESC: $NAME"
 
 	if [ "$MUST_NFS" = yes ]; then
-		if ! egrep -q '^[^ :]+:[^ :]+ '"$NFS_LOCAL_MOUNT"' nfs.? ' /proc/mounts; then
+		if ! grep -E -q '^[^ :]+:[^ :]+ '"$NFS_LOCAL_MOUNT"' nfs.? ' /proc/mounts; then
 			log_progress_msg "Mounting NFS share"
 			test -d "$NFS_LOCAL_MOUNT" || mkdir -p "$NFS_LOCAL_MOUNT"
 			mount -t nfs -o "$NFS_OPTIONS" "$NFS_HOST":"$NFS_REMOTE_PATH" "$NFS_LOCAL_MOUNT"