davmail: fix on non-x86_64 systems

next time at least check the contents of the package (and ideally
test) before actually enabling it on all systems

srcpkgs/davmail/template

@@ -1,7 +1,7 @@
 # Template file for 'davmail'
 pkgname=davmail
 version=5.5.1
-revision=1
+revision=2
 _commit=3299
 wrksrc=davmail-src-${version}-${_commit}
 hostmakedepends="openjdk8 apache-ant"
@@ -25,3 +25,10 @@ do_install() {
 	vcopy "lib/*" usr/share/davmail/lib
 	vbin src/bin/davmail
 }
+
+post_install() {
+	case "$XBPS_TARGET_MACHINE" in
+		x86_64) return 0 ;;
+	esac
+	rm -f ${DESTDIR}/usr/share/davmail/lib/swt-*
+}