WK's commit 7249 generated runtime error

[Juergen Reuter]

Seems to happen only for the HepMC test:

Running script ./eio_hepmc.run
| ============================================================================
| Running self-test: eio_hepmc
| ----------------------------------------------------------------------------
Running test: eio_hepmc_1| Process library 'processes_test': initialized
| Phase space: 2 channels, 2 dimensions
| Phase space: Test
| Events: writing to HepMC file 'eio_hepmc_1.hepmc'
| Events: closing HepMC file 'eio_hepmc_1.hepmc'
 ... success.
Running test: eio_hepmc_2| Process library 'processes_test': initialized
| Phase space: 2 channels, 2 dimensions
| Phase space: Test
| Events: reading from HepMC file 'eio_hepmc_2.hepmc'
Runtime Error: eio_hepmc.f90, line 309: Reference to disassociated POINTER EIO%DEFAULT_MODEL
Program terminated by fatal error
eio_hepmc.f90, line 309: Error occurred in EIO_HEPMC:EIO_HEPMC_INPUT_EVENT
eio_hepmc_uti.f90, line 253: Called by EIO_HEPMC_UTI:EIO_HEPMC_2
unit_tests.f90, line 192: Called by UNIT_TESTS:TEST
eio_hepmc_ut.f90, line 51: Called by EIO_HEPMC_UT:EIO_HEPMC_TEST
main_ut.f90, line 606: Called by MAIN_UT:WHIZARD_CHECK
main_ut.f90, line 153: Called by MAIN_UT

[Juergen Reuter]

Resolved in r7256.