znc: Fix compilation without deprecated APIs in OpenSSL 1.0.2

Signed-off-by: Rosen Penev <rosenp@gmail.com>
[correct configure flag from enable-ssl to enable-openssl]
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>

net/znc/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=znc
 PKG_VERSION:=1.7.1
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://znc.in/releases \
@@ -292,7 +292,7 @@ CONFIGURE_ARGS += \
 	--disable-perl \
 	--enable-poll \
 	--disable-python \
-	--enable-ssl \
+	--enable-openssl \
 	--disable-swig \
 	--disable-tcl \
 	--enable-tdns \