Modified clone_stag4.sh to be able to clone on systems without a hard disk

Signed-off-by: Enris Nogare von Tein <ent13@inf.ufpr.br>

useful/stg312/clone_stage4.sh

@@ -26,9 +26,9 @@ else
 		#echo Escreveu
 		#cat .result.out
 		echo "Sucesso ao clonar."
-		ulimit -v 128
+		cd "$2"
 		if mksquashfs "$4" "$5" -b 1M ; then
-			ulimit -v unlimited
+			cd $caminho
 			mv "$5" "$2"
 			if [ $6 == "1" ]; then
 					rm -rf  "$4"