postgresql904 did not install

[78dd085bdacf at gmail.com]

my system is 2.11.0.111, when i compile postgresql904 in pkgsrc, i got:
dfly# bmake install
=> Bootstrap dependency digest>=20010302: found digest-20080510
===> Checking for vulnerabilities in postgresql90-client-9.0.4
===> Install binary package of postgresql90-client-9.0.4
pkg_add: Conflicting PLIST with postgresql90-client-9.0.3: include/postgresql/server/parser/analyze.h
pkg_add: 1 package addition failed
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/databases/postgresql90-client
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/databases/postgresql90-client
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/databases/postgresql90-client

thanks for any suggestion.