* build/run_ctypesgen.sh: Add some comments and create necessary directories    when "$abs_builddir" != "$abs_srcdir".
* build/run_ctypesgen.sh: Add some comments and create necessary directories
   when "$abs_builddir" != "$abs_srcdir".

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