main/nss-pam-ldapd: rebuild against pam under /usr/lib

This also moves the location of the libraries to /usr/lib. Given that
the binaries are already installed under /usr, that should not be an
issue

main/nss-pam-ldapd/APKBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=nss-pam-ldapd
 pkgver=0.9.11
-pkgrel=4
+pkgrel=5
 pkgdesc="An nsswitch module which uses directory servers"
 url="https://arthurdejong.org/nss-pam-ldapd/"
 arch="all"
@@ -27,8 +27,7 @@ build() {
 		--sysconfdir=/etc \
 		--mandir=/usr/share/man \
 		--infodir=/usr/share/info \
-		--localstatedir=/var \
-		--libdir=/lib
+		--localstatedir=/var
 	make
 }