gjournal.c type punning problem

[Steve Kargl]

cc -O2 -pipe -march=opteron -I/usr/src/sbin/fsck_ffs -DRESCUE -Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized -c /usr/src/sbin/fsck_ffs/gjournal.c
/usr/src/sbin/fsck_ffs/gjournal.c: In function `gjournal_check':
/usr/src/sbin/fsck_ffs/gjournal.c:717: warning: dereferencing type-punned pointer will break strict-aliasing rules
*** Error code 1

-- 
Steve