A follow-up to r27615, clarifying code flow.  No functional change, but likely more robust in terms of subsequent code refactoring.
A follow-up to r27615, clarifying code flow.  No functional change,
but likely more robust in terms of subsequent code refactoring.

* subversion/libsvn_fs_util/mergeinfo-sqlite-index.c
  (svn_fs_mergeinfo__get_mergeinfo, svn_fs_mergeinfo__get_mergeinfo_for_tree):
   Initialize local variable "rev" after checking that ROOT is a
   revision root (as opposed to a transaction root, which is an error
   condition).


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@867701 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion