iatt: fix bug in ia_makedev
iatt: fix bug in ia_makedev

the wrong binary operator was resulting in lookup/stat showing wrong
major/minor numbers for device files

Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 2145 ([3.1.1qa9] mknod does not work properly)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2145

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster