stdlib.h should be included as <ac/stdlib.h>

libraries/libldap/cyrus.c

libraries/libldap/dntest.c

libraries/libldap/sasl.c

libraries/liblunicode/ucdata/ucdata.c

libraries/liblunicode/ucdata/ucgendat.c

libraries/liblunicode/ucstr.c

libraries/liblunicode/ure/ure.c

libraries/liblutil/debug.c

libraries/liblutil/uuid.c