core: silence bogus gcc/glibc warning
core: silence bogus gcc/glibc warning

andyvand/cygnetresolve,andyvand/cygnetresolve,crossdistro/netresolve,crossdistro/netresolve,crossdistro/netresolve,pavlix/netresolve,pavlix/netresolve,pavlix/netresolve,andyvand/cygnetresolve