nspr and nss security and bug fix update

nspr:

[4.7.4-1.el5_3.1]

• create z-stream version

[4.7.4-1]

• Update to NSPR 4.7.4

nss:

[3.12.3.99.3-1.el5_3.2]

• adjust ssl cipher count constant (bug 505650)

[3.12.3.99.3-1.el5_3.1]

• create z-stream version

[3.12.3.99.3-1]

• updated to NSS_3_12_4_FIPS1_WITH_CKBI_1_75

[3.12.3-5]

• updated patch to seckey

[3.12.3-4]

• add a patch to seckey

[3.12.3-3]

• remove references to SEED

[3.12.3-2]

• update to NSS 3.12.3