src: repair lts flag

PR-URL: https://github.com/nodejs/node/pull/5186
Reviewed-By: Myles Borins <myles.borins@gmail.com>

src/node_version.h

@@ -5,10 +5,10 @@
 #define NODE_MINOR_VERSION 3
 #define NODE_PATCH_VERSION 1
 
-#define NODE_VERSION_IS_LTS 0
+#define NODE_VERSION_IS_LTS 1
 #define NODE_VERSION_LTS_CODENAME "Argon"
 
-#define NODE_VERSION_IS_RELEASE 1
+#define NODE_VERSION_IS_RELEASE 0
 
 #ifndef NODE_STRINGIFY
 #define NODE_STRINGIFY(n) NODE_STRINGIFY_HELPER(n)