net: sctp: fix remote memory pressure from excessive queueing
(bnc#902351 CVE-2014-3688).

suse-commit: 8a2eadc8ba895c7caea17c6ade51e3365bde8c2f
Merge branch 'SLE11-SP3' into SLE11-SP4

Conflicts:
	series.conf

suse-commit: 5002ae02b0aac2e83abfe2fea9591ae88c89c3cb