Fix possible null dereference #4578
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The return value of the function ```viewpoint_lower()``` is always checked for NULL. On the other hand, the check ```if(a == NULL)``` was meaningless because the pointer ```a``` was previously dereferenced in ```viewpoint_lower(a)```.
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Nicely spotted @peter15914. Thanks. |
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The return value of the function
viewpoint_lower()is always checked for NULL.On the other hand, the check
if(a == NULL)was meaningless because the pointerawas previously dereferenced inviewpoint_lower(a).Looks like it was a typo.