package/libhtp: bump to version 0.5.38
https://github.com/OISF/libhtp/releases/tag/0.5.38
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 48c9adbe70846388bb20aa7a481cfb53fea9d0d6)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>