Fix a GCC compiler warning about format string / parameter mismatch. No functional change.
Fix a GCC compiler warning about format string / parameter mismatch.
No functional change.

* subversion/tests/svn_test_fs.c
  (svn_test__validate_changes): explicitly cast from void* to char*

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1502519 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion