FFTW/fftw3 — pull request #27 by mpip (2014-12-07 20:18:14+00:00)
Title: avoid segfaults due to double free

If fftw_mpi_mkplans_posttranspose() fails, the plans cld3, cld2rest,
and cld2 are destroyed at nada and must be set to NULL. Otherwise,
a second destroy at nada in mkplan() will cause a segfault.