remove trailing whitespace in lib/defaults.js

lib/defaults.js

@@ -7,7 +7,7 @@ module.exports = {
 
   //database user's password
   password: null,
-  
+
   //database port
   port: 5432,
 
@@ -17,7 +17,7 @@ module.exports = {
 
   // binary result mode
   binary: false,
-  
+
   //Connection pool options - see https://github.com/coopernurse/node-pool
   //number of connections to use in connection pool
   //0 will disable connection pooling