Update package.el git revision hash

Following Emacs' transition to git, the hashes of commits have changed
because some commits were edited to remove bzr specific
referefences (e.g. revnos in commit messages).

Note: the equivalent bzr commit had revno 103620 on trunk, revid
cyd@stupidchicken.com-20110310234046-vzsm4s3pjxc1aids.

First line of commit: "Fix package.el handling of version numbers like
1.0pre6"

* recipes/package.rcp (package):
* test/travis-ci.sh: Update hash for last package.el version compatible
  with Emacs 23.