nspr and nss security, bug fix, and enhancement update

nspr:
[4.7.4-1.el5_3.1]

• create z-stream version
  [4.7.4-1]
• Update to NSPR 4.7.4
  nss:
  [3.12.3.99.3-1.0.1.el5_3.2]
• Update clean.gif in the nss-3.12.3.99.3-stripped.tar.bz2 tarball
  [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