cups: switch to /usr.

srcpkgs/cups/template

@@ -1,7 +1,7 @@
 # Template file for 'cups'
 pkgname=cups
 version=1.5.3
-revision=9
+revision=10
 patch_args="-Np1"
 homepage="http://www.cups.org/"
 license="GPL-2"
@@ -52,7 +52,7 @@ do_configure() {
 		--with-docdir=/usr/share/cups/doc --with-cups-user=daemon \
 		--with-cups-group=lp --enable-pam=yes --disable-ldap \
 		--enable-avahi --enable-pam --enable-ssl=yes --enable-gnutls \
-		--with-systemdsystemunitdir=/lib/systemd/system \
+		--with-systemdsystemunitdir=/usr/lib/systemd/system \
 		--with-menudir=/usr/share/applications \
 		--with-pdftops=pdftops --with-optim="${CFLAGS}"
 }