-- In magit-version.el, the version string is empty now,
   and also seeing folloiwing lines while byte-compiling:
      ===> Building for magit-1.2.0.50nb20131107
      Cannot determine Magit's version
      Wrote /export/WRKOBJDIR/wip/magit-git/work/magit/magit.elc
   While it is harmless for the moment, may be better off to fix.