setup-bootable: somehow a couple lines for remounting RO/RW got missed

setup-bootable.in

@@ -117,7 +117,10 @@ elif [ -b "$dest" ]; then
 fi
 
 # Check for RO mounting
-if [ "`grep \"$destdir\" /proc/mount | grep '(ro,'`"
+if [ "`grep \"$destdir\" /proc/mount | grep '(ro,'`" == "ro" ]; then
+	remountneeded="Y"
+	mount -o remount,rw "$destdir"
+fi
 
 [ -n "$verbose" ] && echo "Using $dest as target (mounted on $destdir)"
 
@@ -258,5 +261,9 @@ else
 	echo "Warning: Could not find the parent device for $dest"
 fi
 
+if [ "$remountneeded" == "Y" ]; then
+	mount -o remount,ro "$destdir"
+fi
+
 cleanup
 sync