Teach vdelta-test to optionally repeat the test cycle, making it easier to profile the deltifier.
Teach vdelta-test to optionally repeat the test cycle,
making it easier to profile the deltifier.

* subversion/tests/libsvn_delta/vdelta-test.c: Include svn_ctypes.h.
  (do_one_test_cycle): New. Factor the actual test out of main.
  (main): Parse an optional parameter giving the number of test repetitions.
  Call do_one_test_cycle for the number of repetitions, rewinding the
  input files between cycles.

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