Kevin Easton debfebf3a7 Fix a double-free bug when a window on an alternate screen queries an exec process ...

The 'free_it' variable was only initialised to zero at the start of the function, so when non-main screens
were processed in the later iterations of the loop, it could keep a value of 1 from the previous iteration.

We don't actually need a free_it variable at all - just use a NULL value of ptr_free to indicate that there
is nothing to free (and passing a NULL to new_free() is a no-op).

This also simplifies a test because ptr is always non-NULL (strip_ansi() never returns NULL).

2017-02-16 23:12:38 +11:00

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