James E. Blair 2261dd9fa2 Simplify dependent changes in gerrit-git-prep.
Now if more than one change is merged, it expects them all to be
in the variable GERRIT_CHANGES, and GERRIT_REFSPEC is ignored.

Change-Id: I717057c728c3c178ea3d15b7d1315c086e982484
2012-05-30 11:18:43 -07:00
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