net: pkt: Fixed packet buffer corruption in net_pkt_pull()
net: pkt: Fixed packet buffer corruption in net_pkt_pull()

Changed size related variables type to size_t to handle
large packet buffers correctly

Signed-off-by: David D <fba231887516135513d7926960423cd28ad97b58@gmail.com>

Vudentz/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,nashif/zephyr,finikorg/zephyr,Vudentz/zephyr,nashif/zephyr,nashif/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,Vudentz/zephyr,nashif/zephyr,nashif/zephyr,galak/zephyr,Vudentz/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr