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gh-133597: Fix memory leak if error occurred in _sys_getwindowsversion_from_kernel32 (GH-133598)

(cherry picked from commit0ec8fc8)Co-authored-by: Sergey Miryanov <sergey.miryanov@gmail.com>

1 parenta719e5f commite0aefbdCopy full SHA for e0aefbd

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Original file line number	Diff line number	Diff line change
`@@ -1693,6 +1693,9 @@ _sys_getwindowsversion_from_kernel32(void)`
`1693`	`1693`	`!GetFileVersionInfoW(kernel32_path,0,verblock_size,verblock)\|\|`
`1694`	`1694`	`!VerQueryValueW(verblock,L"", (LPVOID)&ffi,&ffi_len)) {`
`1695`	`1695`	`PyErr_SetFromWindowsErr(0);`
	`1696`	`+if (verblock) {`
	`1697`	`+PyMem_RawFree(verblock);`
	`1698`	`+ }`
`1696`	`1699`	`returnNULL;`
`1697`	`1700`	`}`
`1698`	`1701`

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