BUG/MINOR: spoe: Fix memory leak if failing to allocate memory

Technically harmless, but it annoys clang analyzer.

This bug was introduced in 336d3ef0e77192582c98b3c578927a529ceadd9b.
This fix should be backported to HAProxy 1.9+.

(cherry picked from commit b29861307253fcc25ed086eeb91f0723a24b282b)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed