Help the compiler to catch more printf-related problems.
Help the compiler to catch more printf-related problems.

* subversion/include/private/svn_debug.h (svn_dbg__printf): Add missing
  printf-format attribute declaration.

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