smcroute: upgrade 2.5.3 -> 2.5.4

Changes:
Automatically extract new version from GIT tag

Fixes:
Avoid trying to delete inactive VIFs. Fixing an annoying bogus error:
"Failed deleting VIF for iface lo: Resource temporarily unavailable"
Fix openembedded#171: too small string buffer for IPv6 address causing garbled
output in periodic expiry callback
Fix too small buffer for IPv6 address in mroute display functions

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

meta-networking/recipes-support/smcroute/smcroute_2.5.3.bb → meta-networking/recipes-support/smcroute/smcroute_2.5.4.bb

@@ -5,7 +5,7 @@ SECTION = "net"
 LICENSE = "GPLv2+"
 LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe"
 
-SRCREV = "d998043dc39cb763c9adec3eda3cc8b1d79f444c"
+SRCREV = "9b6e397595a154c84a329c55bed21e0c43e89ee6"
 SRC_URI = "git://github.com/troglobit/smcroute.git;branch=master;protocol=https"
 
 S = "${WORKDIR}/git"