[Coverity CID :190965]Error handling issues in /subsys/net/ip/ipv4_autoconf.c

[mandarcthorat1]

Static code scan issues seen in File: /subsys/net/ip/ipv4_autoconf.c
Category: Error handling issues
Function: net_ipv4_autoconf_reset
Component: Networking
CID: 190965
Please fix or provide comments to square it off in coverity in the link: https://scan9.coverity.com/reports.htm#v32951/p12996

[jukkar]

Not an issue