#105 Need to replace /dev/random with /dev/urandom

[Surekha P.C]

In iscsi-iname.c /dev/random is used for random number
generation. In some situations due to lack of entropy,
read() on the device can block forever. This has been
observed on Redhat Advanced Server.

It needs to be replaced with /dev/urandom which doesn't
block unlike the former and is adequate for applications.

[Surekha P.C]

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Fixed in 3.4 and 3.6 view. Fix will be available in next release.