remove null check

fails in maintainer mode w/ __attribute__(nonnull))

util.c:576:10: error: nonnull parameter 'name' will evaluate to 'true'
on first encounter [-Werror,-Wpointer-bool-conversion]




git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1855755 13f79535-47bb-0310-9956-ffa450edef68