who broke PCFieldSplit code in petsc-dev?????????

[Barry Smith]

See for example  http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/examples_arch-linux-gcc-pgf90_grind.log 
  search for PCSetUp_FieldSplit().

Please fix ASAP.

    Thanks.

    Barry

And remember before pushing you should run "make alltests" to make  
sure you haven't introduced problems.