IPoIB/CM: Fix indentation level

See also patch "IPoIB/cm: Add connected mode support for devices
without SRQs" (commit ID 68e995a2). Detected by smatch.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Pradeep Satyanarayana <pradeeps@linux.vnet.ibm.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>