Commit 9e98f49d4bcad82d73d775e237397fdb30b5e3d5

Carlos Martín Nieto 2018-02-28T12:21:08

tree: initialize the id we use for testing submodule insertions Instead of laving it uninitialized and relying on luck for it to be non-zero, let's give it a dummy hash so we make valgrind happy (in this case the hash comes from `sha1sum </dev/null`.