Avoid use scoped block variable

[Ranier Vilela]

Hi.

I noticed a possible violation of C rules.
Some functions rely on local block variables,
but this are a mistake.
Once that block exits, the memory of the variable is released.

Fix by moving the declaration variables.

best regards,
Ranier Vilela

avoid-use-scoped-block-variable-lockfuncs.patch
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avoid-use-scoped-block-variable-rawpage.patch
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avoid-use-scoped-block-variable-walsender.patch
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