341120: Coverity 541 nss_cms_recipients_traverse leaks "rle". r=nelson
341120: Coverity 541 nss_cms_recipients_traverse leaks "rle". r=nelson

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