Disable unsigned-int spatch in db.h to silence the following error
from coccinelle v1.1:
EXN: Failure("./lib/dns/include/dns/db.h: 188: try to delete an expanded token: unsigned") in ./lib/dns/include/dns/db.h
(cherry picked from commit d89a535040)
coccinelle v1.1 reports the following failure:
EXN: Failure("./lib/dns/sdlz.c: 172: try to delete an expanded token: unsigned") in ./lib/dns/sdlz.c
coccinelle v1.2 reports the following failure:
EXN: Failure("./util/models.c: 21: try to delete an expanded token: unsigned") in ./util/models.c
(cherry picked from commit 7fb6be62e0)