Following up on r1485488, remove unneeded && expression which is already part
of the loop condition.

* subversion/libsvn_diff/diff_file.c
  (find_identical_suffix): Remove unnecessary operation.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1607063 13f79535-47bb-0310-9956-ffa450edef68