fix a notification bug when sms come from whitespace content number

We quote the sms path on notificationwrite to prevent buggy commands.

mn: This patch fixes texts from numbers like "CREDIT AGRICOLE"

Signed-off-by: Reed Wade <reedwade@misterbanal.net>
Signed-off-by: Anjandev Momi <anjan@momi.ca>

scripts/modem/sxmo_modemmonitor.sh

@@ -114,7 +114,7 @@ checkfornewtexts() {
 
 		sxmo_notificationwrite.sh \
 			random \
-			"st -e tail -n9999 -f $LOGDIR/$NUM/sms.txt" \
+			"st -e tail -n9999 -f '$LOGDIR/$NUM/sms.txt'" \
 			"$LOGDIR/$NUM/sms.txt" \
 			"Message - $(sxmo_contacts.sh | grep -E "^\\$NUM"): $TEXT"