Follow-up to r28979, fix Win32 build of client-test.exe.
Follow-up to r28979, fix Win32 build of client-test.exe.

* build.conf
  (__ALL_TESTS__): Add client-tests so it will be built when running
  gen-make.py on Win32.

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