[PATCH] ocfs2: fix compile warnings

Fix a couple of compile warnings found when compiling on a ppc64 build box.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

diff --cc fs/ocfs2/cluster/heartbeat.c
Simple merge

diff --cc fs/ocfs2/cluster/tcp.c
Simple merge

diff --cc fs/ocfs2/file.c
Simple merge