Fix a couple of compile warnings found when compiling on a ppc64 build box.
Signed-off-by: NMark Fasheh <mark.fasheh@oracle.com>

Node messaging via tcp. Used by the dlm and the file system for point
to point communication between nodes.
Signed-off-by: NMark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: NKurt Hackel <kurt.hackel@oracle.com>