wifi: mac80211: clean up 'ret' in sta_link_apply_parameters()

There's no need to have the always-zero ret variable in
the function scope, move it into the inner scope only.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240605135233.eb7a24632d98.I72d7fe1da89d4b89bcfd0f5fb9057e3e69355cfe@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>