fixes #104

Job	Run time
dpdk gcc	7s
linux deb no dpdk	4m 20s
osx clang --disable-ssl	1m 36s
linux gcc --disable-ssl	1m 33s
linux clang --disable-ssl	1m 54s
linux gcc c99	1m 32s
linux clang c99	2m 7s
linux gcc test	1m 56s
linux clang test asan	2m 25s
linux clang test ubsan	2m 32s
linux gcc test --enable-shared	2m 15s
linux clang test --enable-shared	2m 32s
linux gcc test dpdk	2m 26s
linux clang test dpdk	2m 14s
linux gcc test -ljemalloc	2m 1s
linux clang test -ljemalloc	2m 9s
linux gcc --enable-afxdp	1m 50s
linux clang --enable-afxdp	1m 40s
linux gcc dpdk --enable-shared	2m 9s
linux clang dpdk --enable-shared	2m 22s
linux gcc dpdk-shared	1m 40s
linux clang dpdk-shared	1m 44s
linux gcc dpdk-shared --enable-shared	2m 8s
linux clang dpdk-shared --enable-shared	2m 36s
linux gcc m32 --disable-ssl	1m 39s
	51m 27s

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