DOC: spoa/python: Fixing typo in IP related error messages

This commit fixes typos in the ps_python_set_var_ip* byte manipulation error
messages

This patch must be backported as far as 2.0.

(cherry picked from commit 6884742c651e65d065be9fc10cfaf258dae353f0)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed