Update pibackup.sh

pibackup.sh

@@ -24,13 +24,14 @@ if [ "$1" != "update" ]; then
 	if [ ! -f ${MountPoint}/mounted ]; then
 		echo "$(date) - Not found, mounting drive now..."
 		#mount.cifs ${ServerName} ${MountPoint} -o user=${UserName},password=${Password}
-				
+		c=0	
 		until [ $c -gt 59 ]; do
 			if [ -f ${MountPoint}/mounted ]; then
 				echo "$(date) - Backup Drive mounted"
 				c=100
 			else
-				c=`expr $c + 1`
+				echo "$(date) - Waiting..."
+				((c++))
 				sleep 1s
 			fi
 		done