And remove the httpheader one, which is not useful, since it uses Poco
for the actual parsing, it did not find anything. (If we switch away
from Poco there in the future, it's easy enough to restore it.)
Also fix some problems found by the fuzzer.
Signed-off-by: Miklos Vajna <vmiklos@collabora.com>
Change-Id: I254247c46ecc78c9c3e75aac4f10c441b0e10fb3
