Explicitly document the version suffix value for production releases

Author: cjbj

src/njsOracle.h

@@ -66,8 +66,9 @@ using namespace node;
 using namespace v8;
 
 
-// Keep the version in sync with package.json
-// suffix should be something like "-dev" or "-beta.1"
+// Keep the version in sync with package.json.
+// The suffix should be something like "-dev" or "-beta.1".
+// For production, leave NJS_NODE_ORACLEDB_SUFFIX undefined (not "")
 #define NJS_NODE_ORACLEDB_MAJOR       2
 #define NJS_NODE_ORACLEDB_MINOR       1
 #define NJS_NODE_ORACLEDB_PATCH       0