copperwater 922321b251 Add instructions to zero mextra struct pointer in mextra documentation ...

It doesn't mention anywhere that newmextra() is responsible for
initializing struct mextra with null pointers to the various
sub-structs. So, when one follows the instructions and doesn't know or
remember to do this, they'll get segfaults when something tries to read
the uninitialized pointer to their new struct.

2020-07-30 23:07:30 -04:00

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