[IPOIB_NDIS6_CM]

[IPOIB_NDIS6_CM]
This patch fix the situation when init process fails (say, __ib_mgr_init fails)  and then ipoib_restart is called.
Shutter is shut  first time at the end of the init process. Thus, if init will fail, shutter will be never shut,
while ipoib_restart will try to alive such shutter.

git-svn-id: svn://openib.tc.cornell.edu/gen1@2987 ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86