create_tar.sh: remove a leftover reference to OpenELEC

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>

create_tar.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-git archive --format=tar --prefix=OpenELEC-source-$1/ tags/$1 | bzip2 > OpenELEC-source-$1.tar.bz2
+git archive --format=tar --prefix=LibreELEC-source-$1/ tags/$1 | bzip2 > LibreELEC-source-$1.tar.bz2