Merge "fs_mgr: fix memory leak" am: 9bbcea18 am: 9b205334

    }

    for (int i = a->num_entries, j = 0; i < total_entries; i++, j++) {

        // copy the pointer directly *without* malloc and memcpy

        // Copy the structs by assignment.

        a->recs[i] = b->recs[j];

    }

    // Frees up b, but don't free b->recs[X] to make sure they are

    // accessible through a->recs[X].

    // We can't call fs_mgr_free_fstab because a->recs still references the

    // memory allocated by strdup.

    free(b->recs);

    free(b->fstab_filename);

    free(b);