Make initscript work on any kernel

[Louis Bouchard]

Currently, as indicated in the README file, the initscript will only work on the booted kernel :
4. crashdc known limitation
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4.2 Same kernel type
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When the /etc/init.d/crashdc script is invoked manually to generate the
crash-data-{date}.txt file, it supposes that the booted kernel is the same than
the one that generated the vmcore file. If both are different, an error will be
displayed and the command will fail.

This request it to trace the need to have it work on any booted kernel (i.e. look in vmcore for the kernel type)

sourceforge original bug #2956555