[libvirt] Build failed in Jenkins: libvirt-syntax-check #3103

[Jenkins CI]

See <http://honk.sigxcpu.org:8001/job/libvirt-syntax-check/3103/>

------------------------------------------
Started by upstream project "libvirt-build" build number 3538
Building on master in workspace <http://honk.sigxcpu.org:8001/job/libvirt-syntax-check/ws/>
[workspace] $ /bin/sh -xe /tmp/hudson8816773861766117951.sh
+ make syntax-check
  GEN    bracket-spacing-check
GFDL_version
1.47 GFDL_version
TAB_in_indentation
0.52 TAB_in_indentation
Wundef_boolean
0.28 Wundef_boolean
avoid_attribute_unused_in_header
0.33 avoid_attribute_unused_in_header
avoid_ctype_macros
0.75 avoid_ctype_macros
avoid_if_before_free
6.51 avoid_if_before_free
avoid_strcase
0.66 avoid_strcase
avoid_write
0.73 avoid_write
bindtextdomain
0.43 bindtextdomain
cast_of_argument_to_free
0.73 cast_of_argument_to_free
cast_of_x_alloc_return_value
0.63 cast_of_x_alloc_return_value
changelog
0.29 changelog
const_long_option
0.69 const_long_option
copyright_check
0.80 copyright_check
copyright_format
1.84 copyright_format
copyright_usage
1.86 copyright_usage
correct_id_types
0.69 correct_id_types
curly_braces_style
1.36 curly_braces_style
error_message_period
0.61 error_message_period
error_message_warn_fatal
0.58 error_message_warn_fatal
flags_debug
1.29 flags_debug
flags_usage
src/util/virnetdevmacvlan.c:1069:                                           unsigned int flags ATTRIBUTE_UNUSED)
maint.mk: flags should be checked with virCheckFlags
make: *** [sc_flags_usage] Error 1
Build step 'Execute shell' marked build as failure