Avoid suspects casts VARHDRSZ (c.h)

[Ranier Vilela]

Hi,

In all the static analysis tools I’ve used, there are literally *hundreds*
of alerts about a one suspect cast:

64 bits sizet_t -> 32 bits int -> 64 bits size_t
-#define VARHDRSZ ((int32) sizeof(int32))
+#define VARHDRSZ (sizeof(int32))

Is there any special reason for not simplifying this and avoiding these
alerts?
Passed 100% with vcregress check and in use in local tests.

regards,
Ranier Vilela

avoid_suspects_cast_VARHDRSZ.patch
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