package/libhtp: bump to version 0.5.39
https://github.com/OISF/libhtp/releases/tag/0.5.39
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit d6c3904b45c0e14b1a80b4562decdd27f2da13d0)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>