openvpn: add missing dep to lz4

component/openvpn/buildout.cfg

@@ -2,6 +2,7 @@
 extends =
   ../flex/buildout.cfg
   ../libnsl/buildout.cfg
+  ../lz4/buildout.cfg
   ../lzo/buildout.cfg
   ../openssl/buildout.cfg
   ../xz-utils/buildout.cfg
@@ -20,9 +21,7 @@ configure-options =
   --enable-iproute2
 environment =
   PATH=${xz-utils:location}/bin:%(PATH)s
-  LZO_LIBS=-L${lzo:location}/lib -llzo2
-  LZO_CFLAGS=-I${lzo:location}/include
   OPENSSL_LIBS=-L${openssl-1.1:location}/lib -lcrypto -lssl
   OPENSSL_CFLAGS=-I${openssl-1.1:location}/include
-  LDFLAGS =-Wl,-rpath=${lzo:location}/lib -Wl,-rpath=${flex:location}/lib -Wl,-rpath=${openssl-1.1:location}/lib -L${libnsl:location}/lib -Wl,-rpath=${libnsl:location}/lib
-  CPPFLAGS=-I${lzo:location}/include -I${flex:location}/include -I${libnsl:location}/include
+  LDFLAGS=-L${lz4:location}/lib -Wl,-rpath=${lz4:location}/lib -L${lzo:location}/lib -Wl,-rpath=${lzo:location}/lib -Wl,-rpath=${flex:location}/lib -Wl,-rpath=${openssl-1.1:location}/lib -L${libnsl:location}/lib -Wl,-rpath=${libnsl:location}/lib
+  CPPFLAGS=-I${lz4:location}/include -I${lzo:location}/include -I${flex:location}/include -I${libnsl:location}/include