filterentry.c: test_ava_filter (ITS#3152)

[pax@sw.ru]

Full_Name: Pavel Gashev
Version: 2.2.7-2.2.11
OS: RedHat FC1
URL: ftp://ftp.openldap.org/incoming/pax-20040519-testavafilter-normalize.patch
Submission from: (NULL) (213.247.162.77)


Values stored in proxy cache are not matching case insensively when it's
necessary. It results in empty answer when cached value and search filter does
not match in character case.
I think value should be normalized before matching in test_ava_filter.