Add a trivial memory management optimization.
Add a trivial memory management optimization.

* subversion/libsvn_subr/mergeinfo.c
  (svn_rangelist_to_revs): Pre-allocate the number of elements in
   *REVS to RANGELIST->nelts, since *REVS will need _at least_ that
   many elements.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion