Bugzilla bug 131289: fixed a UMR error and bad placement of the terminating null byte of a string in nss_FindExternalRoot.  r=mcgreer.
Bugzilla bug 131289: fixed a UMR error and bad placement of the terminating
null byte of a string in nss_FindExternalRoot.  r=mcgreer.

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