openldap: use openssl instead of libressl

package/openldap/Makefile

@@ -9,8 +9,8 @@ PKG_RELEASE:=		1
 PKG_HASH:=		48969323e94e3be3b03c6a132942dcba7ef8d545f2ad35401709019f696c3c4e
 PKG_DESCR:=		ldap client libraries
 PKG_SECTION:=		libs/misc
-PKG_DEPENDS:=		libsasl2 libuuid libncurses libressl
-PKG_BUILDDEP:=		cyrus-sasl util-linux libressl
+PKG_DEPENDS:=		libsasl2 libuuid libncurses libopenssl
+PKG_BUILDDEP:=		cyrus-sasl util-linux openssl
 PKG_NEEDS:=		threads c++
 PKG_URL:=		http://www.openldap.org/
 PKG_SITES:=		https://openldap.org/software/download/OpenLDAP/openldap-release/