Fix segv when sway is terminating
I've got the following SIGSEGV when terminating sway: ``` Program terminated with signal SIGSEGV, Segmentation fault. 0x00005607dc603af5 in view_unmap (view=0x5607dcb3d350) at ../sway/tree/view.c:599 599 if (surviving_ancestor->type >= C_WORKSPACE) { ``` surviving_ancestor was NULL at that time This commit is trying to fix this problem.
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@ -596,7 +596,7 @@ void view_unmap(struct sway_view *view) {
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struct sway_container *surviving_ancestor = container_destroy(view->swayc);
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struct sway_container *surviving_ancestor = container_destroy(view->swayc);
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// If the workspace wasn't reaped
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// If the workspace wasn't reaped
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if (surviving_ancestor->type >= C_WORKSPACE) {
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if (surviving_ancestor && surviving_ancestor->type >= C_WORKSPACE) {
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struct sway_container *ws = surviving_ancestor->type == C_WORKSPACE ?
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struct sway_container *ws = surviving_ancestor->type == C_WORKSPACE ?
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surviving_ancestor :
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surviving_ancestor :
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container_parent(surviving_ancestor, C_WORKSPACE);
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container_parent(surviving_ancestor, C_WORKSPACE);
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