Removed unused function _OS_SELECT for AIX.  Thanks to Philip K. Warren <pkw@us.ibm.com> for reporting this.
Removed unused function _OS_SELECT for AIX.  Thanks to Philip K. Warren
<pkw@us.ibm.com> for reporting this.

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