libdnet: upgrade 1.17.0 -> 1.18.0

Changelog:
==========
-update to autotools build chain
-rebuild Python bindings with latest Cython

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/recipes-connectivity/libdnet/libdnet_1.17.0.bb → meta-networking/recipes-connectivity/libdnet/libdnet_1.18.0.bb

@@ -6,7 +6,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=0036c1b155f4e999f3e0a373490b5db9"
 
 SRC_URI = "git://github.com/ofalk/libdnet.git;nobranch=1;protocol=https"
 
-SRCREV = "912f7848bfff4ebc6d610f802a3144f84880cbe4"
+SRCREV = "3dfbe889b1f65077efe579da34fc1d6819fcb7f3"
 
 UPSTREAM_CHECK_GITTAGREGEX = "libdnet-(?P<pver>\d+(\.\d+)+)"