net-lwip: wget: add LMB and buffer checks

Legacy NET wget invokes a store_block() function which performs buffer
validation (LMB, address wrapping). Do the same with NET_LWIP.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Suggested-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Acked-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Tested-by: Sughosh Ganu <sughosh.ganu@linaro.org>
1 file changed