cwm: set sd-ext label

Change-Id: I963924083f1f6de17effafa80fb6f7fe003b304d
diff --git a/utilities/sdparted b/utilities/sdparted
index d2a46a4..13e62f4 100644
--- a/utilities/sdparted
+++ b/utilities/sdparted
@@ -327,6 +327,7 @@
 	if [ $EXTSIZE -gt 0 ] ; then
 		echo -n "creating ext2 partition..."
 		"$CMPARTED" -s "$SDPATH" mkpartfs primary ext2 "$FATSIZE"MB "$EXTEND"MB 2>&1 >>"$LOGFILE"
+		"$CMTUNE2FS" -L sd-ext "$EXTPATH" 2>&1 >>"$LOGFILE"
 		echo "done"
 	fi