#219 valias.c undefined refernces

[lisu87]

during make:

gcc -g -O2 -Wall -o valias valias.o libvpopmail.a -L/usr/lib64 -lpq -lcrypt
valias.o: In function `main':
/usr/local/src/vpopmail-5.4.27/valias.c:89: undefined reference to `valias_select_names'
/usr/local/src/vpopmail-5.4.27/valias.c:93: undefined reference to `valias_select_names_next'
/usr/local/src/vpopmail-5.4.27/valias.c:95: undefined reference to `valias_select_names_end'
collect2: ld returned 1 exit status

./configure was invoked with options:

./configure --enable-ip-alias-domains=y --enable-rebuild-tcpserver-file=y --enable-auth-module=pgsql --enable-file-sync=n --enable-auth-logging=y --enable-users-big-dir=n --enable-valias=y