Bug 693228: code cleanup: nss_doLockInit and PR_CallOnce return PRStatus, not SECStatus.  r=rrelyea.
Bug 693228: code cleanup: nss_doLockInit and PR_CallOnce return PRStatus,
not SECStatus.  r=rrelyea.

nmav/nss,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,ekr/nss-old,nmav/nss,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,ekr/nss-old