openssh: fix subpackage dependencies

main/openssh/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=openssh
 pkgver=6.9_p1
 _myver=${pkgver%_*}${pkgver#*_}
-pkgrel=3
+pkgrel=4
 pkgdesc="Port of OpenBSD's free SSH release"
 url="http://www.openssh.org/portable.html"
 arch="all"
@@ -106,6 +106,7 @@ client() {
 
 keysign() {
 	pkgdesc="ssh helper program for host-based authentication"
+	depends="openssh-client"
 	install -d "$subpkgdir"/usr/lib/ssh || return 1
 	mv "$pkgdir"/usr/lib/ssh/ssh-keysign \
 		"$subpkgdir"/usr/lib/ssh/ || return 1
@@ -113,6 +114,7 @@ keysign() {
 
 sftp() {
 	pkgdesc="ssh sftp server module"
+	depends=""
 	install -d "$subpkgdir"/usr/lib/ssh || return 1
 	mv "$pkgdir"/usr/lib/ssh/sftp-server \
 		"$subpkgdir"/usr/lib/ssh/ || return 1