Prevent array out of bound access #237
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Even so the problem of #236 has been fixed via ced779b there is still a case where you have a out of bound array access of undefined behaviour. This PR prevents the out of bound access of the underlying c array. The out of bound access happens if you already have 4 subViews and add another one. Then you will access CSSNodeGetChild with 4 which points into uninitialized memory.