win-capture: Always set class/title/exe to null
When getting the class/title/exe of a particular window handle in the build_window_strings function, always set the class/title/exe pointers to null to prevent any potential references to invalid values if any of them do not happen to be set for whatever reason.master
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@ -29,10 +29,11 @@ extern void build_window_strings(const char *str,
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{
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char **strlist;
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*class = NULL;
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*title = NULL;
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*exe = NULL;
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if (!str) {
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*class = NULL;
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*title = NULL;
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*exe = NULL;
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return;
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}
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