perl-IPTables-libiptc-0.52-19.fc26 fails to build in F26:

cc -O2 -Wall -Wunused -I/include -I/usr/include -I../include/ -fPIC -DXTABLES_INTERNAL -g -DIPTABLES_VERSION=\"1.4.4\" -DXTABLES_LIBDIR=\"/usr/libexec/xtables\" -DIPTABLES_VERSION_CODE=\67073 -c -o iptables.o iptables-detect-version.c
iptables-detect-version.c:65:2: error: #error "The libxtables is newer than this package support and know of - Sorry!"
 #error "The libxtables is newer than this package support and know of - Sorry!"
  ^~~~~
iptables-detect-version.c:66:2: error: #error " Please inform the package author of this issue, thanks! "
 #error " Please inform the package author of this issue, thanks! "
  ^~~~~

This is caused by upgrading iptables-devel from 1.6.0-3.fc26 to 1.6.1-1.fc26.