build: Disable -Wcast-warn
It causes issues when gnerating Libosinfo-scan.c on armv7hl.
Signed-off-by: Fabiano Fidêncio fidencio@redhat.com
It causes issues when gnerating Libosinfo-scan.c on armv7hl.
Signed-off-by: Fabiano Fidêncio fidencio@redhat.com