fix segfault in nufft_precond_create
pdata->N was used uninitialized in this function, leading to
unpleasantness
@@ -401,7 +401,7 @@ const struct operator_s* nufft_precond_create(const struct linop_s* nufft_op)
assert(data->conf.toeplitz);
unsigned int N = data->N;
- unsigned int ND = pdata->N + 3;
+ unsigned int ND = N + 3;
pdata->N = N;
pdata->cim_dims = *TYPE_ALLOC(long[ND]);
