-current buildworld failure in libpam

Hi,
buildworld stops in libpam:

...
===> lib/libpam/modules/pam_deny
cc -O2 -pipe
-I/usr/src/lib/libpam/modules/pam_deny/../../../../contrib/openpam/include
-I/usr/src/lib/libpam/modules/pam_deny/../../libpam  -Wsystem-headers -Werror
-Wall -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
-Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow
-Wcast-align -Wno-uninitialized  -c
/usr/src/lib/libpam/modules/pam_deny/pam_deny.c
building static pam_deny library
ranlib libpam_deny.a
===> lib/libpam/modules/pam_echo
cc -O2 -pipe
-I/usr/src/lib/libpam/modules/pam_echo/../../../../contrib/openpam/include
-I/usr/src/lib/libpam/modules/pam_echo/../../libpam  -Wsystem-headers -Werror
-Wall -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
-Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow
-Wcast-align -Wno-uninitialized  -c
/usr/src/lib/libpam/modules/pam_echo/pam_echo.c
/usr/src/lib/libpam/modules/pam_echo/pam_echo.c: In function `_pam_echo':
/usr/src/lib/libpam/modules/pam_echo/pam_echo.c:92: warning: dereferencing
type-punned pointer will break strict-aliasing rules
*** Error code 1

Stop in /usr/src/lib/libpam/modules/pam_echo.
*** Error code 1

Stop in /usr/src/lib/libpam/modules.
*** Error code 1

Stop in /usr/src/lib/libpam.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.


Bye!
----
Michael Reifenberger
^.*Plaut.*$, IT, R/3 Basis, GPS